Home / 25,569.28-38,337.72-10,788.40

Finding the Fourth Proportional to 25,569.28, 38,337.72 and 10,788.40

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Solution

The fourth proportional to 25,569.28, 38,337.72 and 10,788.40 is: 16,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,569.28 : 38,337.72 = 10,788.40 : x
  2. Step 2: Convert to fraction form
    25,569.28/38,337.72 = 10,788.40/x
  3. Step 3: Cross multiply
    25,569.28x = 38,337.72 × 10,788.40
  4. Step 4: Simplify right side
    25,569.28x = 413,602,658.45
  5. Step 5: Solve for x
    x = 413,602,658.45/25,569.28
  6. Step 6: Final answer
    x = 16,175.76

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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.