Home / 27,824.16-38,397.12-15,248.88

Finding the Fourth Proportional to 27,824.16, 38,397.12 and 15,248.88

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Solution

The fourth proportional to 27,824.16, 38,397.12 and 15,248.88 is: 21,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.16 : 38,397.12 = 15,248.88 : x
  2. Step 2: Convert to fraction form
    27,824.16/38,397.12 = 15,248.88/x
  3. Step 3: Cross multiply
    27,824.16x = 38,397.12 × 15,248.88
  4. Step 4: Simplify right side
    27,824.16x = 585,513,075.23
  5. Step 5: Solve for x
    x = 585,513,075.23/27,824.16
  6. Step 6: Final answer
    x = 21,043.33

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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.