Home / 28,023.60-42,002.10-14,869.20

Finding the Fourth Proportional to 28,023.60, 42,002.10 and 14,869.20

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Solution

The fourth proportional to 28,023.60, 42,002.10 and 14,869.20 is: 22,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.60 : 42,002.10 = 14,869.20 : x
  2. Step 2: Convert to fraction form
    28,023.60/42,002.10 = 14,869.20/x
  3. Step 3: Cross multiply
    28,023.60x = 42,002.10 × 14,869.20
  4. Step 4: Simplify right side
    28,023.60x = 624,537,625.32
  5. Step 5: Solve for x
    x = 624,537,625.32/28,023.60
  6. Step 6: Final answer
    x = 22,286.13

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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.