Home / 27,331.20-40,980.60-14,209.20

Finding the Fourth Proportional to 27,331.20, 40,980.60 and 14,209.20

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Solution

The fourth proportional to 27,331.20, 40,980.60 and 14,209.20 is: 21,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.20 : 40,980.60 = 14,209.20 : x
  2. Step 2: Convert to fraction form
    27,331.20/40,980.60 = 14,209.20/x
  3. Step 3: Cross multiply
    27,331.20x = 40,980.60 × 14,209.20
  4. Step 4: Simplify right side
    27,331.20x = 582,301,541.52
  5. Step 5: Solve for x
    x = 582,301,541.52/27,331.20
  6. Step 6: Final answer
    x = 21,305.38

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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.