Home / 26,819.79-40,240.63-21,603.80

Finding the Fourth Proportional to 26,819.79, 40,240.63 and 21,603.80

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Solution

The fourth proportional to 26,819.79, 40,240.63 and 21,603.80 is: 32,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.79 : 40,240.63 = 21,603.80 : x
  2. Step 2: Convert to fraction form
    26,819.79/40,240.63 = 21,603.80/x
  3. Step 3: Cross multiply
    26,819.79x = 40,240.63 × 21,603.80
  4. Step 4: Simplify right side
    26,819.79x = 869,350,522.39
  5. Step 5: Solve for x
    x = 869,350,522.39/26,819.79
  6. Step 6: Final answer
    x = 32,414.52

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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.