Home / 24,172.80-36,259.20-13,785.60

Finding the Fourth Proportional to 24,172.80, 36,259.20 and 13,785.60

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Solution

The fourth proportional to 24,172.80, 36,259.20 and 13,785.60 is: 20,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,172.80 : 36,259.20 = 13,785.60 : x
  2. Step 2: Convert to fraction form
    24,172.80/36,259.20 = 13,785.60/x
  3. Step 3: Cross multiply
    24,172.80x = 36,259.20 × 13,785.60
  4. Step 4: Simplify right side
    24,172.80x = 499,854,827.52
  5. Step 5: Solve for x
    x = 499,854,827.52/24,172.80
  6. Step 6: Final answer
    x = 20,678.40

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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.