Home / 28,421.43-39,224.49-18,080.35

Finding the Fourth Proportional to 28,421.43, 39,224.49 and 18,080.35

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Solution

The fourth proportional to 28,421.43, 39,224.49 and 18,080.35 is: 24,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421.43 : 39,224.49 = 18,080.35 : x
  2. Step 2: Convert to fraction form
    28,421.43/39,224.49 = 18,080.35/x
  3. Step 3: Cross multiply
    28,421.43x = 39,224.49 × 18,080.35
  4. Step 4: Simplify right side
    28,421.43x = 709,192,311.65
  5. Step 5: Solve for x
    x = 709,192,311.65/28,421.43
  6. Step 6: Final answer
    x = 24,952.74

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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.