Home / 21,560.90-32,329.85-19,068.12

Finding the Fourth Proportional to 21,560.90, 32,329.85 and 19,068.12

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Solution

The fourth proportional to 21,560.90, 32,329.85 and 19,068.12 is: 28,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560.90 : 32,329.85 = 19,068.12 : x
  2. Step 2: Convert to fraction form
    21,560.90/32,329.85 = 19,068.12/x
  3. Step 3: Cross multiply
    21,560.90x = 32,329.85 × 19,068.12
  4. Step 4: Simplify right side
    21,560.90x = 616,469,364.04
  5. Step 5: Solve for x
    x = 616,469,364.04/21,560.90
  6. Step 6: Final answer
    x = 28,592.01

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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.