Home / 42,605.78-63,900.29-14,527.40

Finding the Fourth Proportional to 42,605.78, 63,900.29 and 14,527.40

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Solution

The fourth proportional to 42,605.78, 63,900.29 and 14,527.40 is: 21,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605.78 : 63,900.29 = 14,527.40 : x
  2. Step 2: Convert to fraction form
    42,605.78/63,900.29 = 14,527.40/x
  3. Step 3: Cross multiply
    42,605.78x = 63,900.29 × 14,527.40
  4. Step 4: Simplify right side
    42,605.78x = 928,304,789.76
  5. Step 5: Solve for x
    x = 928,304,789.76/42,605.78
  6. Step 6: Final answer
    x = 21,788.24

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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.