Home / 27,904.32-38,507.76-15,967.08

Finding the Fourth Proportional to 27,904.32, 38,507.76 and 15,967.08

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Solution

The fourth proportional to 27,904.32, 38,507.76 and 15,967.08 is: 22,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.32 : 38,507.76 = 15,967.08 : x
  2. Step 2: Convert to fraction form
    27,904.32/38,507.76 = 15,967.08/x
  3. Step 3: Cross multiply
    27,904.32x = 38,507.76 × 15,967.08
  4. Step 4: Simplify right side
    27,904.32x = 614,856,484.54
  5. Step 5: Solve for x
    x = 614,856,484.54/27,904.32
  6. Step 6: Final answer
    x = 22,034.46

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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.