Home / 23,402.40-32,357.52-20,449.95

Finding the Fourth Proportional to 23,402.40, 32,357.52 and 20,449.95

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Solution

The fourth proportional to 23,402.40, 32,357.52 and 20,449.95 is: 28,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,402.40 : 32,357.52 = 20,449.95 : x
  2. Step 2: Convert to fraction form
    23,402.40/32,357.52 = 20,449.95/x
  3. Step 3: Cross multiply
    23,402.40x = 32,357.52 × 20,449.95
  4. Step 4: Simplify right side
    23,402.40x = 661,709,666.12
  5. Step 5: Solve for x
    x = 661,709,666.12/23,402.40
  6. Step 6: Final answer
    x = 28,275.29

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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.