Home / 21,336.10-32,004.15-14,337.70

Finding the Fourth Proportional to 21,336.10, 32,004.15 and 14,337.70

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Solution

The fourth proportional to 21,336.10, 32,004.15 and 14,337.70 is: 21,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.10 : 32,004.15 = 14,337.70 : x
  2. Step 2: Convert to fraction form
    21,336.10/32,004.15 = 14,337.70/x
  3. Step 3: Cross multiply
    21,336.10x = 32,004.15 × 14,337.70
  4. Step 4: Simplify right side
    21,336.10x = 458,865,901.46
  5. Step 5: Solve for x
    x = 458,865,901.46/21,336.10
  6. Step 6: Final answer
    x = 21,506.55

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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.