Home / 27,934.74-38,538.95-15,991.64

Finding the Fourth Proportional to 27,934.74, 38,538.95 and 15,991.64

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Solution

The fourth proportional to 27,934.74, 38,538.95 and 15,991.64 is: 22,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.74 : 38,538.95 = 15,991.64 : x
  2. Step 2: Convert to fraction form
    27,934.74/38,538.95 = 15,991.64/x
  3. Step 3: Cross multiply
    27,934.74x = 38,538.95 × 15,991.64
  4. Step 4: Simplify right side
    27,934.74x = 616,301,014.38
  5. Step 5: Solve for x
    x = 616,301,014.38/27,934.74
  6. Step 6: Final answer
    x = 22,062.17

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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.