Home / 19,440.80-29,132.40-16,503.20

Finding the Fourth Proportional to 19,440.80, 29,132.40 and 16,503.20

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Solution

The fourth proportional to 19,440.80, 29,132.40 and 16,503.20 is: 24,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.80 : 29,132.40 = 16,503.20 : x
  2. Step 2: Convert to fraction form
    19,440.80/29,132.40 = 16,503.20/x
  3. Step 3: Cross multiply
    19,440.80x = 29,132.40 × 16,503.20
  4. Step 4: Simplify right side
    19,440.80x = 480,777,823.68
  5. Step 5: Solve for x
    x = 480,777,823.68/19,440.80
  6. Step 6: Final answer
    x = 24,730.35

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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.