Home / 27,669.80-38,184.45-15,094.82

Finding the Fourth Proportional to 27,669.80, 38,184.45 and 15,094.82

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Solution

The fourth proportional to 27,669.80, 38,184.45 and 15,094.82 is: 20,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.80 : 38,184.45 = 15,094.82 : x
  2. Step 2: Convert to fraction form
    27,669.80/38,184.45 = 15,094.82/x
  3. Step 3: Cross multiply
    27,669.80x = 38,184.45 × 15,094.82
  4. Step 4: Simplify right side
    27,669.80x = 576,387,438.40
  5. Step 5: Solve for x
    x = 576,387,438.40/27,669.80
  6. Step 6: Final answer
    x = 20,830.92

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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.