Home / 20,312.04-28,035.15-12,352.59

Finding the Fourth Proportional to 20,312.04, 28,035.15 and 12,352.59

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Solution

The fourth proportional to 20,312.04, 28,035.15 and 12,352.59 is: 17,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.04 : 28,035.15 = 12,352.59 : x
  2. Step 2: Convert to fraction form
    20,312.04/28,035.15 = 12,352.59/x
  3. Step 3: Cross multiply
    20,312.04x = 28,035.15 × 12,352.59
  4. Step 4: Simplify right side
    20,312.04x = 346,306,713.54
  5. Step 5: Solve for x
    x = 346,306,713.54/20,312.04
  6. Step 6: Final answer
    x = 17,049.33

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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.