Home / 28,176.10-38,887.23-17,569.15

Finding the Fourth Proportional to 28,176.10, 38,887.23 and 17,569.15

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Solution

The fourth proportional to 28,176.10, 38,887.23 and 17,569.15 is: 24,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.10 : 38,887.23 = 17,569.15 : x
  2. Step 2: Convert to fraction form
    28,176.10/38,887.23 = 17,569.15/x
  3. Step 3: Cross multiply
    28,176.10x = 38,887.23 × 17,569.15
  4. Step 4: Simplify right side
    28,176.10x = 683,215,576.95
  5. Step 5: Solve for x
    x = 683,215,576.95/28,176.10
  6. Step 6: Final answer
    x = 24,248.05

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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.