Home / 28,541.68-39,387.80-17,211.76

Finding the Fourth Proportional to 28,541.68, 39,387.80 and 17,211.76

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Solution

The fourth proportional to 28,541.68, 39,387.80 and 17,211.76 is: 23,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.68 : 39,387.80 = 17,211.76 : x
  2. Step 2: Convert to fraction form
    28,541.68/39,387.80 = 17,211.76/x
  3. Step 3: Cross multiply
    28,541.68x = 39,387.80 × 17,211.76
  4. Step 4: Simplify right side
    28,541.68x = 677,933,360.53
  5. Step 5: Solve for x
    x = 677,933,360.53/28,541.68
  6. Step 6: Final answer
    x = 23,752.40

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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.