Home / 28,480.68-42,683.76-15,304.68

Finding the Fourth Proportional to 28,480.68, 42,683.76 and 15,304.68

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Solution

The fourth proportional to 28,480.68, 42,683.76 and 15,304.68 is: 22,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.68 : 42,683.76 = 15,304.68 : x
  2. Step 2: Convert to fraction form
    28,480.68/42,683.76 = 15,304.68/x
  3. Step 3: Cross multiply
    28,480.68x = 42,683.76 × 15,304.68
  4. Step 4: Simplify right side
    28,480.68x = 653,261,288.00
  5. Step 5: Solve for x
    x = 653,261,288.00/28,480.68
  6. Step 6: Final answer
    x = 22,937.00

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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.