Home / 28,589.93-42,876.75-18,044.16

Finding the Fourth Proportional to 28,589.93, 42,876.75 and 18,044.16

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Solution

The fourth proportional to 28,589.93, 42,876.75 and 18,044.16 is: 27,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.93 : 42,876.75 = 18,044.16 : x
  2. Step 2: Convert to fraction form
    28,589.93/42,876.75 = 18,044.16/x
  3. Step 3: Cross multiply
    28,589.93x = 42,876.75 × 18,044.16
  4. Step 4: Simplify right side
    28,589.93x = 773,674,937.28
  5. Step 5: Solve for x
    x = 773,674,937.28/28,589.93
  6. Step 6: Final answer
    x = 27,061.10

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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.