Home / 54,285.28-81,428-14,842.74

Finding the Fourth Proportional to 54,285.28, 81,428 and 14,842.74

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Solution

The fourth proportional to 54,285.28, 81,428 and 14,842.74 is: 22,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.28 : 81,428 = 14,842.74 : x
  2. Step 2: Convert to fraction form
    54,285.28/81,428 = 14,842.74/x
  3. Step 3: Cross multiply
    54,285.28x = 81,428 × 14,842.74
  4. Step 4: Simplify right side
    54,285.28x = 1,208,614,632.72
  5. Step 5: Solve for x
    x = 1,208,614,632.72/54,285.28
  6. Step 6: Final answer
    x = 22,264.13

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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.