Home / 28,708.48-43,080.64-15,569.92

Finding the Fourth Proportional to 28,708.48, 43,080.64 and 15,569.92

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Solution

The fourth proportional to 28,708.48, 43,080.64 and 15,569.92 is: 23,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.48 : 43,080.64 = 15,569.92 : x
  2. Step 2: Convert to fraction form
    28,708.48/43,080.64 = 15,569.92/x
  3. Step 3: Cross multiply
    28,708.48x = 43,080.64 × 15,569.92
  4. Step 4: Simplify right side
    28,708.48x = 670,762,118.35
  5. Step 5: Solve for x
    x = 670,762,118.35/28,708.48
  6. Step 6: Final answer
    x = 23,364.60

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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.