Home / 25,905.29-38,807.09-13,433.47

Finding the Fourth Proportional to 25,905.29, 38,807.09 and 13,433.47

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Solution

The fourth proportional to 25,905.29, 38,807.09 and 13,433.47 is: 20,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.29 : 38,807.09 = 13,433.47 : x
  2. Step 2: Convert to fraction form
    25,905.29/38,807.09 = 13,433.47/x
  3. Step 3: Cross multiply
    25,905.29x = 38,807.09 × 13,433.47
  4. Step 4: Simplify right side
    25,905.29x = 521,313,618.10
  5. Step 5: Solve for x
    x = 521,313,618.10/25,905.29
  6. Step 6: Final answer
    x = 20,123.83

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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.