Home / 20,482.03-28,250.11-15,446.46

Finding the Fourth Proportional to 20,482.03, 28,250.11 and 15,446.46

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Solution

The fourth proportional to 20,482.03, 28,250.11 and 15,446.46 is: 21,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.03 : 28,250.11 = 15,446.46 : x
  2. Step 2: Convert to fraction form
    20,482.03/28,250.11 = 15,446.46/x
  3. Step 3: Cross multiply
    20,482.03x = 28,250.11 × 15,446.46
  4. Step 4: Simplify right side
    20,482.03x = 436,364,210.12
  5. Step 5: Solve for x
    x = 436,364,210.12/20,482.03
  6. Step 6: Final answer
    x = 21,304.74

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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.