Home / 28,699.32-39,605.94-17,370.90

Finding the Fourth Proportional to 28,699.32, 39,605.94 and 17,370.90

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Solution

The fourth proportional to 28,699.32, 39,605.94 and 17,370.90 is: 23,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.32 : 39,605.94 = 17,370.90 : x
  2. Step 2: Convert to fraction form
    28,699.32/39,605.94 = 17,370.90/x
  3. Step 3: Cross multiply
    28,699.32x = 39,605.94 × 17,370.90
  4. Step 4: Simplify right side
    28,699.32x = 687,990,823.15
  5. Step 5: Solve for x
    x = 687,990,823.15/28,699.32
  6. Step 6: Final answer
    x = 23,972.37

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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.