Home / 26,639.40-36,753.80-17,688.64

Finding the Fourth Proportional to 26,639.40, 36,753.80 and 17,688.64

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Solution

The fourth proportional to 26,639.40, 36,753.80 and 17,688.64 is: 24,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.40 : 36,753.80 = 17,688.64 : x
  2. Step 2: Convert to fraction form
    26,639.40/36,753.80 = 17,688.64/x
  3. Step 3: Cross multiply
    26,639.40x = 36,753.80 × 17,688.64
  4. Step 4: Simplify right side
    26,639.40x = 650,124,736.83
  5. Step 5: Solve for x
    x = 650,124,736.83/26,639.40
  6. Step 6: Final answer
    x = 24,404.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.