Home / 27,314.28-40,971.42-15,619.32

Finding the Fourth Proportional to 27,314.28, 40,971.42 and 15,619.32

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Solution

The fourth proportional to 27,314.28, 40,971.42 and 15,619.32 is: 23,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,314.28 : 40,971.42 = 15,619.32 : x
  2. Step 2: Convert to fraction form
    27,314.28/40,971.42 = 15,619.32/x
  3. Step 3: Cross multiply
    27,314.28x = 40,971.42 × 15,619.32
  4. Step 4: Simplify right side
    27,314.28x = 639,945,719.83
  5. Step 5: Solve for x
    x = 639,945,719.83/27,314.28
  6. Step 6: Final answer
    x = 23,428.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.