Home / 28,881.60-43,322.40-17,752.20

Finding the Fourth Proportional to 28,881.60, 43,322.40 and 17,752.20

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Solution

The fourth proportional to 28,881.60, 43,322.40 and 17,752.20 is: 26,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.60 : 43,322.40 = 17,752.20 : x
  2. Step 2: Convert to fraction form
    28,881.60/43,322.40 = 17,752.20/x
  3. Step 3: Cross multiply
    28,881.60x = 43,322.40 × 17,752.20
  4. Step 4: Simplify right side
    28,881.60x = 769,067,909.28
  5. Step 5: Solve for x
    x = 769,067,909.28/28,881.60
  6. Step 6: Final answer
    x = 26,628.30

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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.