Home / 23,426.24-32,328.16-12,815.88

Finding the Fourth Proportional to 23,426.24, 32,328.16 and 12,815.88

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Solution

The fourth proportional to 23,426.24, 32,328.16 and 12,815.88 is: 17,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,426.24 : 32,328.16 = 12,815.88 : x
  2. Step 2: Convert to fraction form
    23,426.24/32,328.16 = 12,815.88/x
  3. Step 3: Cross multiply
    23,426.24x = 32,328.16 × 12,815.88
  4. Step 4: Simplify right side
    23,426.24x = 414,313,819.18
  5. Step 5: Solve for x
    x = 414,313,819.18/23,426.24
  6. Step 6: Final answer
    x = 17,685.89

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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.