Home / 27,089.84-37,387.08-15,156.20

Finding the Fourth Proportional to 27,089.84, 37,387.08 and 15,156.20

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Solution

The fourth proportional to 27,089.84, 37,387.08 and 15,156.20 is: 20,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.84 : 37,387.08 = 15,156.20 : x
  2. Step 2: Convert to fraction form
    27,089.84/37,387.08 = 15,156.20/x
  3. Step 3: Cross multiply
    27,089.84x = 37,387.08 × 15,156.20
  4. Step 4: Simplify right side
    27,089.84x = 566,646,061.90
  5. Step 5: Solve for x
    x = 566,646,061.90/27,089.84
  6. Step 6: Final answer
    x = 20,917.29

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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.