Home / 28,352.07-39,127.46-16,254.55

Finding the Fourth Proportional to 28,352.07, 39,127.46 and 16,254.55

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Solution

The fourth proportional to 28,352.07, 39,127.46 and 16,254.55 is: 22,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.07 : 39,127.46 = 16,254.55 : x
  2. Step 2: Convert to fraction form
    28,352.07/39,127.46 = 16,254.55/x
  3. Step 3: Cross multiply
    28,352.07x = 39,127.46 × 16,254.55
  4. Step 4: Simplify right side
    28,352.07x = 635,999,254.94
  5. Step 5: Solve for x
    x = 635,999,254.94/28,352.07
  6. Step 6: Final answer
    x = 22,432.20

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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.