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Finding the Fourth Proportional to 25,768.66, 38,653.35 and 7,300.66

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Solution

The fourth proportional to 25,768.66, 38,653.35 and 7,300.66 is: 10,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.66 : 38,653.35 = 7,300.66 : x
  2. Step 2: Convert to fraction form
    25,768.66/38,653.35 = 7,300.66/x
  3. Step 3: Cross multiply
    25,768.66x = 38,653.35 × 7,300.66
  4. Step 4: Simplify right side
    25,768.66x = 282,194,966.21
  5. Step 5: Solve for x
    x = 282,194,966.21/25,768.66
  6. Step 6: Final answer
    x = 10,951.09

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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.