Home / 28,494.18-39,331.37-17,887.23

Finding the Fourth Proportional to 28,494.18, 39,331.37 and 17,887.23

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Solution

The fourth proportional to 28,494.18, 39,331.37 and 17,887.23 is: 24,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.18 : 39,331.37 = 17,887.23 : x
  2. Step 2: Convert to fraction form
    28,494.18/39,331.37 = 17,887.23/x
  3. Step 3: Cross multiply
    28,494.18x = 39,331.37 × 17,887.23
  4. Step 4: Simplify right side
    28,494.18x = 703,529,306.12
  5. Step 5: Solve for x
    x = 703,529,306.12/28,494.18
  6. Step 6: Final answer
    x = 24,690.28

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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.