Home / 15,677.60-23,516.40-14,640.80

Finding the Fourth Proportional to 15,677.60, 23,516.40 and 14,640.80

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Solution

The fourth proportional to 15,677.60, 23,516.40 and 14,640.80 is: 21,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.60 : 23,516.40 = 14,640.80 : x
  2. Step 2: Convert to fraction form
    15,677.60/23,516.40 = 14,640.80/x
  3. Step 3: Cross multiply
    15,677.60x = 23,516.40 × 14,640.80
  4. Step 4: Simplify right side
    15,677.60x = 344,298,909.12
  5. Step 5: Solve for x
    x = 344,298,909.12/15,677.60
  6. Step 6: Final answer
    x = 21,961.20

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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.