Home / 25,507.92-38,278.08-9,925.68

Finding the Fourth Proportional to 25,507.92, 38,278.08 and 9,925.68

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Solution

The fourth proportional to 25,507.92, 38,278.08 and 9,925.68 is: 14,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.92 : 38,278.08 = 9,925.68 : x
  2. Step 2: Convert to fraction form
    25,507.92/38,278.08 = 9,925.68/x
  3. Step 3: Cross multiply
    25,507.92x = 38,278.08 × 9,925.68
  4. Step 4: Simplify right side
    25,507.92x = 379,935,973.09
  5. Step 5: Solve for x
    x = 379,935,973.09/25,507.92
  6. Step 6: Final answer
    x = 14,894.82

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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.