Home / 27,904.52-38,509.10-15,971.70

Finding the Fourth Proportional to 27,904.52, 38,509.10 and 15,971.70

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Solution

The fourth proportional to 27,904.52, 38,509.10 and 15,971.70 is: 22,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.52 : 38,509.10 = 15,971.70 : x
  2. Step 2: Convert to fraction form
    27,904.52/38,509.10 = 15,971.70/x
  3. Step 3: Cross multiply
    27,904.52x = 38,509.10 × 15,971.70
  4. Step 4: Simplify right side
    27,904.52x = 615,055,790.14
  5. Step 5: Solve for x
    x = 615,055,790.14/27,904.52
  6. Step 6: Final answer
    x = 22,041.44

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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.