Home / 20,553.06-28,360.17-12,482.52

Finding the Fourth Proportional to 20,553.06, 28,360.17 and 12,482.52

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Solution

The fourth proportional to 20,553.06, 28,360.17 and 12,482.52 is: 17,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553.06 : 28,360.17 = 12,482.52 : x
  2. Step 2: Convert to fraction form
    20,553.06/28,360.17 = 12,482.52/x
  3. Step 3: Cross multiply
    20,553.06x = 28,360.17 × 12,482.52
  4. Step 4: Simplify right side
    20,553.06x = 354,006,389.23
  5. Step 5: Solve for x
    x = 354,006,389.23/20,553.06
  6. Step 6: Final answer
    x = 17,224.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.