Home / 27,984.29-38,618.25-15,409.04

Finding the Fourth Proportional to 27,984.29, 38,618.25 and 15,409.04

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Solution

The fourth proportional to 27,984.29, 38,618.25 and 15,409.04 is: 21,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.29 : 38,618.25 = 15,409.04 : x
  2. Step 2: Convert to fraction form
    27,984.29/38,618.25 = 15,409.04/x
  3. Step 3: Cross multiply
    27,984.29x = 38,618.25 × 15,409.04
  4. Step 4: Simplify right side
    27,984.29x = 595,070,158.98
  5. Step 5: Solve for x
    x = 595,070,158.98/27,984.29
  6. Step 6: Final answer
    x = 21,264.44

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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.