Home / 28,152.80-42,229.18-22,881.44

Finding the Fourth Proportional to 28,152.80, 42,229.18 and 22,881.44

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Solution

The fourth proportional to 28,152.80, 42,229.18 and 22,881.44 is: 34,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.80 : 42,229.18 = 22,881.44 : x
  2. Step 2: Convert to fraction form
    28,152.80/42,229.18 = 22,881.44/x
  3. Step 3: Cross multiply
    28,152.80x = 42,229.18 × 22,881.44
  4. Step 4: Simplify right side
    28,152.80x = 966,264,448.42
  5. Step 5: Solve for x
    x = 966,264,448.42/28,152.80
  6. Step 6: Final answer
    x = 34,322.14

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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.