Home / 27,341.60-37,732.08-15,405.36

Finding the Fourth Proportional to 27,341.60, 37,732.08 and 15,405.36

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Solution

The fourth proportional to 27,341.60, 37,732.08 and 15,405.36 is: 21,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,341.60 : 37,732.08 = 15,405.36 : x
  2. Step 2: Convert to fraction form
    27,341.60/37,732.08 = 15,405.36/x
  3. Step 3: Cross multiply
    27,341.60x = 37,732.08 × 15,405.36
  4. Step 4: Simplify right side
    27,341.60x = 581,276,275.95
  5. Step 5: Solve for x
    x = 581,276,275.95/27,341.60
  6. Step 6: Final answer
    x = 21,259.78

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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.