Home / 23,338.60-32,207.76-12,728.32

Finding the Fourth Proportional to 23,338.60, 32,207.76 and 12,728.32

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Solution

The fourth proportional to 23,338.60, 32,207.76 and 12,728.32 is: 17,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,338.60 : 32,207.76 = 12,728.32 : x
  2. Step 2: Convert to fraction form
    23,338.60/32,207.76 = 12,728.32/x
  3. Step 3: Cross multiply
    23,338.60x = 32,207.76 × 12,728.32
  4. Step 4: Simplify right side
    23,338.60x = 409,950,675.76
  5. Step 5: Solve for x
    x = 409,950,675.76/23,338.60
  6. Step 6: Final answer
    x = 17,565.35

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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.