Home / 28,707.52-39,620.02-16,132.26

Finding the Fourth Proportional to 28,707.52, 39,620.02 and 16,132.26

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Solution

The fourth proportional to 28,707.52, 39,620.02 and 16,132.26 is: 22,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.52 : 39,620.02 = 16,132.26 : x
  2. Step 2: Convert to fraction form
    28,707.52/39,620.02 = 16,132.26/x
  3. Step 3: Cross multiply
    28,707.52x = 39,620.02 × 16,132.26
  4. Step 4: Simplify right side
    28,707.52x = 639,160,463.85
  5. Step 5: Solve for x
    x = 639,160,463.85/28,707.52
  6. Step 6: Final answer
    x = 22,264.57

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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.