Home / 27,158.56-37,480.28-15,225.72

Finding the Fourth Proportional to 27,158.56, 37,480.28 and 15,225.72

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Solution

The fourth proportional to 27,158.56, 37,480.28 and 15,225.72 is: 21,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.56 : 37,480.28 = 15,225.72 : x
  2. Step 2: Convert to fraction form
    27,158.56/37,480.28 = 15,225.72/x
  3. Step 3: Cross multiply
    27,158.56x = 37,480.28 × 15,225.72
  4. Step 4: Simplify right side
    27,158.56x = 570,664,248.80
  5. Step 5: Solve for x
    x = 570,664,248.80/27,158.56
  6. Step 6: Final answer
    x = 21,012.32

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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.