Home / 28,587.24-42,874.38-10,119.24

Finding the Fourth Proportional to 28,587.24, 42,874.38 and 10,119.24

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Solution

The fourth proportional to 28,587.24, 42,874.38 and 10,119.24 is: 15,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.24 : 42,874.38 = 10,119.24 : x
  2. Step 2: Convert to fraction form
    28,587.24/42,874.38 = 10,119.24/x
  3. Step 3: Cross multiply
    28,587.24x = 42,874.38 × 10,119.24
  4. Step 4: Simplify right side
    28,587.24x = 433,856,141.07
  5. Step 5: Solve for x
    x = 433,856,141.07/28,587.24
  6. Step 6: Final answer
    x = 15,176.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.