Home / 23,336.56-32,209.86-15,380.20

Finding the Fourth Proportional to 23,336.56, 32,209.86 and 15,380.20

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Solution

The fourth proportional to 23,336.56, 32,209.86 and 15,380.20 is: 21,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,336.56 : 32,209.86 = 15,380.20 : x
  2. Step 2: Convert to fraction form
    23,336.56/32,209.86 = 15,380.20/x
  3. Step 3: Cross multiply
    23,336.56x = 32,209.86 × 15,380.20
  4. Step 4: Simplify right side
    23,336.56x = 495,394,088.77
  5. Step 5: Solve for x
    x = 495,394,088.77/23,336.56
  6. Step 6: Final answer
    x = 21,228.24

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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.