Home / 25,709.18-38,569.44-10,930.76

Finding the Fourth Proportional to 25,709.18, 38,569.44 and 10,930.76

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Solution

The fourth proportional to 25,709.18, 38,569.44 and 10,930.76 is: 16,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.18 : 38,569.44 = 10,930.76 : x
  2. Step 2: Convert to fraction form
    25,709.18/38,569.44 = 10,930.76/x
  3. Step 3: Cross multiply
    25,709.18x = 38,569.44 × 10,930.76
  4. Step 4: Simplify right side
    25,709.18x = 421,593,291.97
  5. Step 5: Solve for x
    x = 421,593,291.97/25,709.18
  6. Step 6: Final answer
    x = 16,398.55

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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.