Home / 27,759.48-38,312.13-15,824.04

Finding the Fourth Proportional to 27,759.48, 38,312.13 and 15,824.04

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Solution

The fourth proportional to 27,759.48, 38,312.13 and 15,824.04 is: 21,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.48 : 38,312.13 = 15,824.04 : x
  2. Step 2: Convert to fraction form
    27,759.48/38,312.13 = 15,824.04/x
  3. Step 3: Cross multiply
    27,759.48x = 38,312.13 × 15,824.04
  4. Step 4: Simplify right side
    27,759.48x = 606,252,677.61
  5. Step 5: Solve for x
    x = 606,252,677.61/27,759.48
  6. Step 6: Final answer
    x = 21,839.48

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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.