Home / 26,849.60-40,274.40-7,130.15

Finding the Fourth Proportional to 26,849.60, 40,274.40 and 7,130.15

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Solution

The fourth proportional to 26,849.60, 40,274.40 and 7,130.15 is: 10,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.60 : 40,274.40 = 7,130.15 : x
  2. Step 2: Convert to fraction form
    26,849.60/40,274.40 = 7,130.15/x
  3. Step 3: Cross multiply
    26,849.60x = 40,274.40 × 7,130.15
  4. Step 4: Simplify right side
    26,849.60x = 287,162,513.16
  5. Step 5: Solve for x
    x = 287,162,513.16/26,849.60
  6. Step 6: Final answer
    x = 10,695.23

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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.