Home / 22,728.64-34,088.48-11,641.28

Finding the Fourth Proportional to 22,728.64, 34,088.48 and 11,641.28

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Solution

The fourth proportional to 22,728.64, 34,088.48 and 11,641.28 is: 17,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.64 : 34,088.48 = 11,641.28 : x
  2. Step 2: Convert to fraction form
    22,728.64/34,088.48 = 11,641.28/x
  3. Step 3: Cross multiply
    22,728.64x = 34,088.48 × 11,641.28
  4. Step 4: Simplify right side
    22,728.64x = 396,833,540.45
  5. Step 5: Solve for x
    x = 396,833,540.45/22,728.64
  6. Step 6: Final answer
    x = 17,459.63

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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.