Home / 27,256.12-37,612.20-15,926.66

Finding the Fourth Proportional to 27,256.12, 37,612.20 and 15,926.66

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Solution

The fourth proportional to 27,256.12, 37,612.20 and 15,926.66 is: 21,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.12 : 37,612.20 = 15,926.66 : x
  2. Step 2: Convert to fraction form
    27,256.12/37,612.20 = 15,926.66/x
  3. Step 3: Cross multiply
    27,256.12x = 37,612.20 × 15,926.66
  4. Step 4: Simplify right side
    27,256.12x = 599,036,721.25
  5. Step 5: Solve for x
    x = 599,036,721.25/27,256.12
  6. Step 6: Final answer
    x = 21,978.06

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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.