Home / 21,000.04-31,478.46-14,404.84

Finding the Fourth Proportional to 21,000.04, 31,478.46 and 14,404.84

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Solution

The fourth proportional to 21,000.04, 31,478.46 and 14,404.84 is: 21,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000.04 : 31,478.46 = 14,404.84 : x
  2. Step 2: Convert to fraction form
    21,000.04/31,478.46 = 14,404.84/x
  3. Step 3: Cross multiply
    21,000.04x = 31,478.46 × 14,404.84
  4. Step 4: Simplify right side
    21,000.04x = 453,442,179.75
  5. Step 5: Solve for x
    x = 453,442,179.75/21,000.04
  6. Step 6: Final answer
    x = 21,592.44

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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.