Home / 26,439.90-36,477-16,880.15

Finding the Fourth Proportional to 26,439.90, 36,477 and 16,880.15

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Solution

The fourth proportional to 26,439.90, 36,477 and 16,880.15 is: 23,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.90 : 36,477 = 16,880.15 : x
  2. Step 2: Convert to fraction form
    26,439.90/36,477 = 16,880.15/x
  3. Step 3: Cross multiply
    26,439.90x = 36,477 × 16,880.15
  4. Step 4: Simplify right side
    26,439.90x = 615,737,049.17
  5. Step 5: Solve for x
    x = 615,737,049.17/26,439.90
  6. Step 6: Final answer
    x = 23,288.18

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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.