Home / 28,508.31-39,338.46-16,569.18

Finding the Fourth Proportional to 28,508.31, 39,338.46 and 16,569.18

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Solution

The fourth proportional to 28,508.31, 39,338.46 and 16,569.18 is: 22,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.31 : 39,338.46 = 16,569.18 : x
  2. Step 2: Convert to fraction form
    28,508.31/39,338.46 = 16,569.18/x
  3. Step 3: Cross multiply
    28,508.31x = 39,338.46 × 16,569.18
  4. Step 4: Simplify right side
    28,508.31x = 651,806,024.66
  5. Step 5: Solve for x
    x = 651,806,024.66/28,508.31
  6. Step 6: Final answer
    x = 22,863.72

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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.