Home / 27,991.17-38,628.50-15,244.88

Finding the Fourth Proportional to 27,991.17, 38,628.50 and 15,244.88

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Solution

The fourth proportional to 27,991.17, 38,628.50 and 15,244.88 is: 21,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.17 : 38,628.50 = 15,244.88 : x
  2. Step 2: Convert to fraction form
    27,991.17/38,628.50 = 15,244.88/x
  3. Step 3: Cross multiply
    27,991.17x = 38,628.50 × 15,244.88
  4. Step 4: Simplify right side
    27,991.17x = 588,886,577.71
  5. Step 5: Solve for x
    x = 588,886,577.71/27,991.17
  6. Step 6: Final answer
    x = 21,038.30

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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.