Home / 27,189.02-37,522.09-15,856.71

Finding the Fourth Proportional to 27,189.02, 37,522.09 and 15,856.71

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Solution

The fourth proportional to 27,189.02, 37,522.09 and 15,856.71 is: 21,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.02 : 37,522.09 = 15,856.71 : x
  2. Step 2: Convert to fraction form
    27,189.02/37,522.09 = 15,856.71/x
  3. Step 3: Cross multiply
    27,189.02x = 37,522.09 × 15,856.71
  4. Step 4: Simplify right side
    27,189.02x = 594,976,900.70
  5. Step 5: Solve for x
    x = 594,976,900.70/27,189.02
  6. Step 6: Final answer
    x = 21,882.99

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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.