Home / 27,340.34-37,726.97-15,405.80

Finding the Fourth Proportional to 27,340.34, 37,726.97 and 15,405.80

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Solution

The fourth proportional to 27,340.34, 37,726.97 and 15,405.80 is: 21,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.34 : 37,726.97 = 15,405.80 : x
  2. Step 2: Convert to fraction form
    27,340.34/37,726.97 = 15,405.80/x
  3. Step 3: Cross multiply
    27,340.34x = 37,726.97 × 15,405.80
  4. Step 4: Simplify right side
    27,340.34x = 581,213,888.76
  5. Step 5: Solve for x
    x = 581,213,888.76/27,340.34
  6. Step 6: Final answer
    x = 21,258.48

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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.