Home / 26,991.10-40,486.65-7,271.19

Finding the Fourth Proportional to 26,991.10, 40,486.65 and 7,271.19

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Solution

The fourth proportional to 26,991.10, 40,486.65 and 7,271.19 is: 10,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.10 : 40,486.65 = 7,271.19 : x
  2. Step 2: Convert to fraction form
    26,991.10/40,486.65 = 7,271.19/x
  3. Step 3: Cross multiply
    26,991.10x = 40,486.65 × 7,271.19
  4. Step 4: Simplify right side
    26,991.10x = 294,386,124.61
  5. Step 5: Solve for x
    x = 294,386,124.61/26,991.10
  6. Step 6: Final answer
    x = 10,906.79

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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.