Home / 27,397.90-37,811.10-15,462.28

Finding the Fourth Proportional to 27,397.90, 37,811.10 and 15,462.28

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Solution

The fourth proportional to 27,397.90, 37,811.10 and 15,462.28 is: 21,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,397.90 : 37,811.10 = 15,462.28 : x
  2. Step 2: Convert to fraction form
    27,397.90/37,811.10 = 15,462.28/x
  3. Step 3: Cross multiply
    27,397.90x = 37,811.10 × 15,462.28
  4. Step 4: Simplify right side
    27,397.90x = 584,645,815.31
  5. Step 5: Solve for x
    x = 584,645,815.31/27,397.90
  6. Step 6: Final answer
    x = 21,339.07

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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.