Home / 26,838.20-40,257.30-26,449.40

Finding the Fourth Proportional to 26,838.20, 40,257.30 and 26,449.40

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Solution

The fourth proportional to 26,838.20, 40,257.30 and 26,449.40 is: 39,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.20 : 40,257.30 = 26,449.40 : x
  2. Step 2: Convert to fraction form
    26,838.20/40,257.30 = 26,449.40/x
  3. Step 3: Cross multiply
    26,838.20x = 40,257.30 × 26,449.40
  4. Step 4: Simplify right side
    26,838.20x = 1,064,781,430.62
  5. Step 5: Solve for x
    x = 1,064,781,430.62/26,838.20
  6. Step 6: Final answer
    x = 39,674.10

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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.