Home / 28,815.60-43,223.40-9,095.68

Finding the Fourth Proportional to 28,815.60, 43,223.40 and 9,095.68

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Solution

The fourth proportional to 28,815.60, 43,223.40 and 9,095.68 is: 13,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.60 : 43,223.40 = 9,095.68 : x
  2. Step 2: Convert to fraction form
    28,815.60/43,223.40 = 9,095.68/x
  3. Step 3: Cross multiply
    28,815.60x = 43,223.40 × 9,095.68
  4. Step 4: Simplify right side
    28,815.60x = 393,146,214.91
  5. Step 5: Solve for x
    x = 393,146,214.91/28,815.60
  6. Step 6: Final answer
    x = 13,643.52

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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.