Home / 26,969.61-37,218.55-15,031.66

Finding the Fourth Proportional to 26,969.61, 37,218.55 and 15,031.66

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Solution

The fourth proportional to 26,969.61, 37,218.55 and 15,031.66 is: 20,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.61 : 37,218.55 = 15,031.66 : x
  2. Step 2: Convert to fraction form
    26,969.61/37,218.55 = 15,031.66/x
  3. Step 3: Cross multiply
    26,969.61x = 37,218.55 × 15,031.66
  4. Step 4: Simplify right side
    26,969.61x = 559,456,619.04
  5. Step 5: Solve for x
    x = 559,456,619.04/26,969.61
  6. Step 6: Final answer
    x = 20,743.97

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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.