Home / 28,589.26-42,898.50-13,613.32

Finding the Fourth Proportional to 28,589.26, 42,898.50 and 13,613.32

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Solution

The fourth proportional to 28,589.26, 42,898.50 and 13,613.32 is: 20,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.26 : 42,898.50 = 13,613.32 : x
  2. Step 2: Convert to fraction form
    28,589.26/42,898.50 = 13,613.32/x
  3. Step 3: Cross multiply
    28,589.26x = 42,898.50 × 13,613.32
  4. Step 4: Simplify right side
    28,589.26x = 583,991,008.02
  5. Step 5: Solve for x
    x = 583,991,008.02/28,589.26
  6. Step 6: Final answer
    x = 20,426.94

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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.