Home / 19,532.64-26,895.60-15,540.96

Finding the Fourth Proportional to 19,532.64, 26,895.60 and 15,540.96

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Solution

The fourth proportional to 19,532.64, 26,895.60 and 15,540.96 is: 21,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.64 : 26,895.60 = 15,540.96 : x
  2. Step 2: Convert to fraction form
    19,532.64/26,895.60 = 15,540.96/x
  3. Step 3: Cross multiply
    19,532.64x = 26,895.60 × 15,540.96
  4. Step 4: Simplify right side
    19,532.64x = 417,983,443.78
  5. Step 5: Solve for x
    x = 417,983,443.78/19,532.64
  6. Step 6: Final answer
    x = 21,399.23

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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.