Home / 28,925.68-39,916.89-16,350.16

Finding the Fourth Proportional to 28,925.68, 39,916.89 and 16,350.16

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Solution

The fourth proportional to 28,925.68, 39,916.89 and 16,350.16 is: 22,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.68 : 39,916.89 = 16,350.16 : x
  2. Step 2: Convert to fraction form
    28,925.68/39,916.89 = 16,350.16/x
  3. Step 3: Cross multiply
    28,925.68x = 39,916.89 × 16,350.16
  4. Step 4: Simplify right side
    28,925.68x = 652,647,538.20
  5. Step 5: Solve for x
    x = 652,647,538.20/28,925.68
  6. Step 6: Final answer
    x = 22,562.91

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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.