Home / 27,742.03-38,282.08-15,642.95

Finding the Fourth Proportional to 27,742.03, 38,282.08 and 15,642.95

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Solution

The fourth proportional to 27,742.03, 38,282.08 and 15,642.95 is: 21,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.03 : 38,282.08 = 15,642.95 : x
  2. Step 2: Convert to fraction form
    27,742.03/38,282.08 = 15,642.95/x
  3. Step 3: Cross multiply
    27,742.03x = 38,282.08 × 15,642.95
  4. Step 4: Simplify right side
    27,742.03x = 598,844,471.93
  5. Step 5: Solve for x
    x = 598,844,471.93/27,742.03
  6. Step 6: Final answer
    x = 21,586.18

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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.