Home / 23,482.68-32,405.79-12,872.31

Finding the Fourth Proportional to 23,482.68, 32,405.79 and 12,872.31

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Solution

The fourth proportional to 23,482.68, 32,405.79 and 12,872.31 is: 17,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,482.68 : 32,405.79 = 12,872.31 : x
  2. Step 2: Convert to fraction form
    23,482.68/32,405.79 = 12,872.31/x
  3. Step 3: Cross multiply
    23,482.68x = 32,405.79 × 12,872.31
  4. Step 4: Simplify right side
    23,482.68x = 417,137,374.67
  5. Step 5: Solve for x
    x = 417,137,374.67/23,482.68
  6. Step 6: Final answer
    x = 17,763.62

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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.