Home / 26,300.64-39,424.80-21,635.04

Finding the Fourth Proportional to 26,300.64, 39,424.80 and 21,635.04

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Solution

The fourth proportional to 26,300.64, 39,424.80 and 21,635.04 is: 32,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300.64 : 39,424.80 = 21,635.04 : x
  2. Step 2: Convert to fraction form
    26,300.64/39,424.80 = 21,635.04/x
  3. Step 3: Cross multiply
    26,300.64x = 39,424.80 × 21,635.04
  4. Step 4: Simplify right side
    26,300.64x = 852,957,124.99
  5. Step 5: Solve for x
    x = 852,957,124.99/26,300.64
  6. Step 6: Final answer
    x = 32,431.04

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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.