Home / 25,590.11-38,338.40-18,552.68

Finding the Fourth Proportional to 25,590.11, 38,338.40 and 18,552.68

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Solution

The fourth proportional to 25,590.11, 38,338.40 and 18,552.68 is: 27,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.11 : 38,338.40 = 18,552.68 : x
  2. Step 2: Convert to fraction form
    25,590.11/38,338.40 = 18,552.68/x
  3. Step 3: Cross multiply
    25,590.11x = 38,338.40 × 18,552.68
  4. Step 4: Simplify right side
    25,590.11x = 711,280,066.91
  5. Step 5: Solve for x
    x = 711,280,066.91/25,590.11
  6. Step 6: Final answer
    x = 27,795.12

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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.