Home / 25,504.17-38,084.45-20,833.40

Finding the Fourth Proportional to 25,504.17, 38,084.45 and 20,833.40

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Solution

The fourth proportional to 25,504.17, 38,084.45 and 20,833.40 is: 31,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.17 : 38,084.45 = 20,833.40 : x
  2. Step 2: Convert to fraction form
    25,504.17/38,084.45 = 20,833.40/x
  3. Step 3: Cross multiply
    25,504.17x = 38,084.45 × 20,833.40
  4. Step 4: Simplify right side
    25,504.17x = 793,428,571.67
  5. Step 5: Solve for x
    x = 793,428,571.67/25,504.17
  6. Step 6: Final answer
    x = 31,109.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.