Home / 21,557.60-32,336.40-16,308.80

Finding the Fourth Proportional to 21,557.60, 32,336.40 and 16,308.80

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Solution

The fourth proportional to 21,557.60, 32,336.40 and 16,308.80 is: 24,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.60 : 32,336.40 = 16,308.80 : x
  2. Step 2: Convert to fraction form
    21,557.60/32,336.40 = 16,308.80/x
  3. Step 3: Cross multiply
    21,557.60x = 32,336.40 × 16,308.80
  4. Step 4: Simplify right side
    21,557.60x = 527,367,880.32
  5. Step 5: Solve for x
    x = 527,367,880.32/21,557.60
  6. Step 6: Final answer
    x = 24,463.20

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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.