Home / 28,400.19-42,323.43-27,545.10

Finding the Fourth Proportional to 28,400.19, 42,323.43 and 27,545.10

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Solution

The fourth proportional to 28,400.19, 42,323.43 and 27,545.10 is: 41,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.19 : 42,323.43 = 27,545.10 : x
  2. Step 2: Convert to fraction form
    28,400.19/42,323.43 = 27,545.10/x
  3. Step 3: Cross multiply
    28,400.19x = 42,323.43 × 27,545.10
  4. Step 4: Simplify right side
    28,400.19x = 1,165,803,111.69
  5. Step 5: Solve for x
    x = 1,165,803,111.69/28,400.19
  6. Step 6: Final answer
    x = 41,049.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.