Home / 27,589.28-38,070.57-15,486.99

Finding the Fourth Proportional to 27,589.28, 38,070.57 and 15,486.99

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Solution

The fourth proportional to 27,589.28, 38,070.57 and 15,486.99 is: 21,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.28 : 38,070.57 = 15,486.99 : x
  2. Step 2: Convert to fraction form
    27,589.28/38,070.57 = 15,486.99/x
  3. Step 3: Cross multiply
    27,589.28x = 38,070.57 × 15,486.99
  4. Step 4: Simplify right side
    27,589.28x = 589,598,536.88
  5. Step 5: Solve for x
    x = 589,598,536.88/27,589.28
  6. Step 6: Final answer
    x = 21,370.57

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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.