Home / 27,993.06-38,631.40-15,247.29

Finding the Fourth Proportional to 27,993.06, 38,631.40 and 15,247.29

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Solution

The fourth proportional to 27,993.06, 38,631.40 and 15,247.29 is: 21,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.06 : 38,631.40 = 15,247.29 : x
  2. Step 2: Convert to fraction form
    27,993.06/38,631.40 = 15,247.29/x
  3. Step 3: Cross multiply
    27,993.06x = 38,631.40 × 15,247.29
  4. Step 4: Simplify right side
    27,993.06x = 589,024,158.91
  5. Step 5: Solve for x
    x = 589,024,158.91/27,993.06
  6. Step 6: Final answer
    x = 21,041.79

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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.