Home / 25,528.71-38,293.08-7,999.91

Finding the Fourth Proportional to 25,528.71, 38,293.08 and 7,999.91

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Solution

The fourth proportional to 25,528.71, 38,293.08 and 7,999.91 is: 11,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.71 : 38,293.08 = 7,999.91 : x
  2. Step 2: Convert to fraction form
    25,528.71/38,293.08 = 7,999.91/x
  3. Step 3: Cross multiply
    25,528.71x = 38,293.08 × 7,999.91
  4. Step 4: Simplify right side
    25,528.71x = 306,341,193.62
  5. Step 5: Solve for x
    x = 306,341,193.62/25,528.71
  6. Step 6: Final answer
    x = 11,999.87

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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.