Home / 26,986.60-40,460.70-10,340.20

Finding the Fourth Proportional to 26,986.60, 40,460.70 and 10,340.20

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Solution

The fourth proportional to 26,986.60, 40,460.70 and 10,340.20 is: 15,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.60 : 40,460.70 = 10,340.20 : x
  2. Step 2: Convert to fraction form
    26,986.60/40,460.70 = 10,340.20/x
  3. Step 3: Cross multiply
    26,986.60x = 40,460.70 × 10,340.20
  4. Step 4: Simplify right side
    26,986.60x = 418,371,730.14
  5. Step 5: Solve for x
    x = 418,371,730.14/26,986.60
  6. Step 6: Final answer
    x = 15,502.94

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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.