Home / 20,452.47-28,210.95-17,419.83

Finding the Fourth Proportional to 20,452.47, 28,210.95 and 17,419.83

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Solution

The fourth proportional to 20,452.47, 28,210.95 and 17,419.83 is: 24,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.47 : 28,210.95 = 17,419.83 : x
  2. Step 2: Convert to fraction form
    20,452.47/28,210.95 = 17,419.83/x
  3. Step 3: Cross multiply
    20,452.47x = 28,210.95 × 17,419.83
  4. Step 4: Simplify right side
    20,452.47x = 491,429,953.14
  5. Step 5: Solve for x
    x = 491,429,953.14/20,452.47
  6. Step 6: Final answer
    x = 24,027.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.