Home / 28,763.70-43,145.52-9,043.98

Finding the Fourth Proportional to 28,763.70, 43,145.52 and 9,043.98

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Solution

The fourth proportional to 28,763.70, 43,145.52 and 9,043.98 is: 13,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.70 : 43,145.52 = 9,043.98 : x
  2. Step 2: Convert to fraction form
    28,763.70/43,145.52 = 9,043.98/x
  3. Step 3: Cross multiply
    28,763.70x = 43,145.52 × 9,043.98
  4. Step 4: Simplify right side
    28,763.70x = 390,207,219.97
  5. Step 5: Solve for x
    x = 390,207,219.97/28,763.70
  6. Step 6: Final answer
    x = 13,565.96

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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.