Home / 28,764.28-43,150.65-9,036.28

Finding the Fourth Proportional to 28,764.28, 43,150.65 and 9,036.28

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Solution

The fourth proportional to 28,764.28, 43,150.65 and 9,036.28 is: 13,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.28 : 43,150.65 = 9,036.28 : x
  2. Step 2: Convert to fraction form
    28,764.28/43,150.65 = 9,036.28/x
  3. Step 3: Cross multiply
    28,764.28x = 43,150.65 × 9,036.28
  4. Step 4: Simplify right side
    28,764.28x = 389,921,355.58
  5. Step 5: Solve for x
    x = 389,921,355.58/28,764.28
  6. Step 6: Final answer
    x = 13,555.75

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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.