Home / 27,904.83-38,510.82-15,971.91

Finding the Fourth Proportional to 27,904.83, 38,510.82 and 15,971.91

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Solution

The fourth proportional to 27,904.83, 38,510.82 and 15,971.91 is: 22,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.83 : 38,510.82 = 15,971.91 : x
  2. Step 2: Convert to fraction form
    27,904.83/38,510.82 = 15,971.91/x
  3. Step 3: Cross multiply
    27,904.83x = 38,510.82 × 15,971.91
  4. Step 4: Simplify right side
    27,904.83x = 615,091,351.07
  5. Step 5: Solve for x
    x = 615,091,351.07/27,904.83
  6. Step 6: Final answer
    x = 22,042.47

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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.