Home / 38,285.74-57,424.05-10,207.90

Finding the Fourth Proportional to 38,285.74, 57,424.05 and 10,207.90

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Solution

The fourth proportional to 38,285.74, 57,424.05 and 10,207.90 is: 15,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.74 : 57,424.05 = 10,207.90 : x
  2. Step 2: Convert to fraction form
    38,285.74/57,424.05 = 10,207.90/x
  3. Step 3: Cross multiply
    38,285.74x = 57,424.05 × 10,207.90
  4. Step 4: Simplify right side
    38,285.74x = 586,178,960.00
  5. Step 5: Solve for x
    x = 586,178,960.00/38,285.74
  6. Step 6: Final answer
    x = 15,310.63

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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.