Home / 23,426.57-32,328.65-12,816.20

Finding the Fourth Proportional to 23,426.57, 32,328.65 and 12,816.20

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Solution

The fourth proportional to 23,426.57, 32,328.65 and 12,816.20 is: 17,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,426.57 : 32,328.65 = 12,816.20 : x
  2. Step 2: Convert to fraction form
    23,426.57/32,328.65 = 12,816.20/x
  3. Step 3: Cross multiply
    23,426.57x = 32,328.65 × 12,816.20
  4. Step 4: Simplify right side
    23,426.57x = 414,330,380.05
  5. Step 5: Solve for x
    x = 414,330,380.05/23,426.57
  6. Step 6: Final answer
    x = 17,686.35

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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.