Home / 27,616.04-38,110.12-15,040.88

Finding the Fourth Proportional to 27,616.04, 38,110.12 and 15,040.88

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Solution

The fourth proportional to 27,616.04, 38,110.12 and 15,040.88 is: 20,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.04 : 38,110.12 = 15,040.88 : x
  2. Step 2: Convert to fraction form
    27,616.04/38,110.12 = 15,040.88/x
  3. Step 3: Cross multiply
    27,616.04x = 38,110.12 × 15,040.88
  4. Step 4: Simplify right side
    27,616.04x = 573,209,741.71
  5. Step 5: Solve for x
    x = 573,209,741.71/27,616.04
  6. Step 6: Final answer
    x = 20,756.41

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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.