Home / 28,023.20-38,683.68-18,604.52

Finding the Fourth Proportional to 28,023.20, 38,683.68 and 18,604.52

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Solution

The fourth proportional to 28,023.20, 38,683.68 and 18,604.52 is: 25,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.20 : 38,683.68 = 18,604.52 : x
  2. Step 2: Convert to fraction form
    28,023.20/38,683.68 = 18,604.52/x
  3. Step 3: Cross multiply
    28,023.20x = 38,683.68 × 18,604.52
  4. Step 4: Simplify right side
    28,023.20x = 719,691,298.23
  5. Step 5: Solve for x
    x = 719,691,298.23/28,023.20
  6. Step 6: Final answer
    x = 25,681.98

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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.