Home / 57,072.16-85,612.92-28,599.04

Finding the Fourth Proportional to 57,072.16, 85,612.92 and 28,599.04

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Solution

The fourth proportional to 57,072.16, 85,612.92 and 28,599.04 is: 42,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.16 : 85,612.92 = 28,599.04 : x
  2. Step 2: Convert to fraction form
    57,072.16/85,612.92 = 28,599.04/x
  3. Step 3: Cross multiply
    57,072.16x = 85,612.92 × 28,599.04
  4. Step 4: Simplify right side
    57,072.16x = 2,448,447,323.60
  5. Step 5: Solve for x
    x = 2,448,447,323.60/57,072.16
  6. Step 6: Final answer
    x = 42,900.91

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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.