Home / 26,701.60-40,043.76-19,323.04

Finding the Fourth Proportional to 26,701.60, 40,043.76 and 19,323.04

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Solution

The fourth proportional to 26,701.60, 40,043.76 and 19,323.04 is: 28,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,701.60 : 40,043.76 = 19,323.04 : x
  2. Step 2: Convert to fraction form
    26,701.60/40,043.76 = 19,323.04/x
  3. Step 3: Cross multiply
    26,701.60x = 40,043.76 × 19,323.04
  4. Step 4: Simplify right side
    26,701.60x = 773,767,176.23
  5. Step 5: Solve for x
    x = 773,767,176.23/26,701.60
  6. Step 6: Final answer
    x = 28,978.31

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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.