Home / 40,857.31-56,387.17-27,456.47

Finding the Fourth Proportional to 40,857.31, 56,387.17 and 27,456.47

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Solution

The fourth proportional to 40,857.31, 56,387.17 and 27,456.47 is: 37,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,857.31 : 56,387.17 = 27,456.47 : x
  2. Step 2: Convert to fraction form
    40,857.31/56,387.17 = 27,456.47/x
  3. Step 3: Cross multiply
    40,857.31x = 56,387.17 × 27,456.47
  4. Step 4: Simplify right side
    40,857.31x = 1,548,192,641.49
  5. Step 5: Solve for x
    x = 1,548,192,641.49/40,857.31
  6. Step 6: Final answer
    x = 37,892.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.