Home / 25,165.53-34,725.56-20,127.92

Finding the Fourth Proportional to 25,165.53, 34,725.56 and 20,127.92

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Solution

The fourth proportional to 25,165.53, 34,725.56 and 20,127.92 is: 27,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.53 : 34,725.56 = 20,127.92 : x
  2. Step 2: Convert to fraction form
    25,165.53/34,725.56 = 20,127.92/x
  3. Step 3: Cross multiply
    25,165.53x = 34,725.56 × 20,127.92
  4. Step 4: Simplify right side
    25,165.53x = 698,953,019.37
  5. Step 5: Solve for x
    x = 698,953,019.37/25,165.53
  6. Step 6: Final answer
    x = 27,774.22

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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.