Home / 19,997.60-29,956.80-17,535.20

Finding the Fourth Proportional to 19,997.60, 29,956.80 and 17,535.20

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Solution

The fourth proportional to 19,997.60, 29,956.80 and 17,535.20 is: 26,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.60 : 29,956.80 = 17,535.20 : x
  2. Step 2: Convert to fraction form
    19,997.60/29,956.80 = 17,535.20/x
  3. Step 3: Cross multiply
    19,997.60x = 29,956.80 × 17,535.20
  4. Step 4: Simplify right side
    19,997.60x = 525,298,479.36
  5. Step 5: Solve for x
    x = 525,298,479.36/19,997.60
  6. Step 6: Final answer
    x = 26,268.08

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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.