Home / 27,990.98-38,627.58-15,244.18

Finding the Fourth Proportional to 27,990.98, 38,627.58 and 15,244.18

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Solution

The fourth proportional to 27,990.98, 38,627.58 and 15,244.18 is: 21,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990.98 : 38,627.58 = 15,244.18 : x
  2. Step 2: Convert to fraction form
    27,990.98/38,627.58 = 15,244.18/x
  3. Step 3: Cross multiply
    27,990.98x = 38,627.58 × 15,244.18
  4. Step 4: Simplify right side
    27,990.98x = 588,845,782.48
  5. Step 5: Solve for x
    x = 588,845,782.48/27,990.98
  6. Step 6: Final answer
    x = 21,036.98

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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.