Home / 25,605.66-38,385.04-21,682.16

Finding the Fourth Proportional to 25,605.66, 38,385.04 and 21,682.16

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Solution

The fourth proportional to 25,605.66, 38,385.04 and 21,682.16 is: 32,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.66 : 38,385.04 = 21,682.16 : x
  2. Step 2: Convert to fraction form
    25,605.66/38,385.04 = 21,682.16/x
  3. Step 3: Cross multiply
    25,605.66x = 38,385.04 × 21,682.16
  4. Step 4: Simplify right side
    25,605.66x = 832,270,578.89
  5. Step 5: Solve for x
    x = 832,270,578.89/25,605.66
  6. Step 6: Final answer
    x = 32,503.38

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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.