Home / 25,613.28-38,424.56-12,465.64

Finding the Fourth Proportional to 25,613.28, 38,424.56 and 12,465.64

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Solution

The fourth proportional to 25,613.28, 38,424.56 and 12,465.64 is: 18,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.28 : 38,424.56 = 12,465.64 : x
  2. Step 2: Convert to fraction form
    25,613.28/38,424.56 = 12,465.64/x
  3. Step 3: Cross multiply
    25,613.28x = 38,424.56 × 12,465.64
  4. Step 4: Simplify right side
    25,613.28x = 478,986,732.12
  5. Step 5: Solve for x
    x = 478,986,732.12/25,613.28
  6. Step 6: Final answer
    x = 18,700.72

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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.