Home / 25,815.61-38,677.52-10,789.64

Finding the Fourth Proportional to 25,815.61, 38,677.52 and 10,789.64

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Solution

The fourth proportional to 25,815.61, 38,677.52 and 10,789.64 is: 16,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.61 : 38,677.52 = 10,789.64 : x
  2. Step 2: Convert to fraction form
    25,815.61/38,677.52 = 10,789.64/x
  3. Step 3: Cross multiply
    25,815.61x = 38,677.52 × 10,789.64
  4. Step 4: Simplify right side
    25,815.61x = 417,316,593.71
  5. Step 5: Solve for x
    x = 417,316,593.71/25,815.61
  6. Step 6: Final answer
    x = 16,165.28

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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.