Home / 25,613.60-38,417.16-10,815.08

Finding the Fourth Proportional to 25,613.60, 38,417.16 and 10,815.08

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Solution

The fourth proportional to 25,613.60, 38,417.16 and 10,815.08 is: 16,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.60 : 38,417.16 = 10,815.08 : x
  2. Step 2: Convert to fraction form
    25,613.60/38,417.16 = 10,815.08/x
  3. Step 3: Cross multiply
    25,613.60x = 38,417.16 × 10,815.08
  4. Step 4: Simplify right side
    25,613.60x = 415,484,658.77
  5. Step 5: Solve for x
    x = 415,484,658.77/25,613.60
  6. Step 6: Final answer
    x = 16,221.25

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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.