Home / 23,070.65-34,589.37-13,688.42

Finding the Fourth Proportional to 23,070.65, 34,589.37 and 13,688.42

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Solution

The fourth proportional to 23,070.65, 34,589.37 and 13,688.42 is: 20,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.65 : 34,589.37 = 13,688.42 : x
  2. Step 2: Convert to fraction form
    23,070.65/34,589.37 = 13,688.42/x
  3. Step 3: Cross multiply
    23,070.65x = 34,589.37 × 13,688.42
  4. Step 4: Simplify right side
    23,070.65x = 473,473,824.10
  5. Step 5: Solve for x
    x = 473,473,824.10/23,070.65
  6. Step 6: Final answer
    x = 20,522.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.