Home / 25,528.74-38,293.11-7,759.55

Finding the Fourth Proportional to 25,528.74, 38,293.11 and 7,759.55

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Solution

The fourth proportional to 25,528.74, 38,293.11 and 7,759.55 is: 11,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.74 : 38,293.11 = 7,759.55 : x
  2. Step 2: Convert to fraction form
    25,528.74/38,293.11 = 7,759.55/x
  3. Step 3: Cross multiply
    25,528.74x = 38,293.11 × 7,759.55
  4. Step 4: Simplify right side
    25,528.74x = 297,137,110.23
  5. Step 5: Solve for x
    x = 297,137,110.23/25,528.74
  6. Step 6: Final answer
    x = 11,639.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.