Home / 27,061.50-37,345.02-15,731.22

Finding the Fourth Proportional to 27,061.50, 37,345.02 and 15,731.22

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Solution

The fourth proportional to 27,061.50, 37,345.02 and 15,731.22 is: 21,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.50 : 37,345.02 = 15,731.22 : x
  2. Step 2: Convert to fraction form
    27,061.50/37,345.02 = 15,731.22/x
  3. Step 3: Cross multiply
    27,061.50x = 37,345.02 × 15,731.22
  4. Step 4: Simplify right side
    27,061.50x = 587,482,725.52
  5. Step 5: Solve for x
    x = 587,482,725.52/27,061.50
  6. Step 6: Final answer
    x = 21,709.17

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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.