Home / 25,130.96-34,601.28-19,143.44

Finding the Fourth Proportional to 25,130.96, 34,601.28 and 19,143.44

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Solution

The fourth proportional to 25,130.96, 34,601.28 and 19,143.44 is: 26,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.96 : 34,601.28 = 19,143.44 : x
  2. Step 2: Convert to fraction form
    25,130.96/34,601.28 = 19,143.44/x
  3. Step 3: Cross multiply
    25,130.96x = 34,601.28 × 19,143.44
  4. Step 4: Simplify right side
    25,130.96x = 662,387,527.60
  5. Step 5: Solve for x
    x = 662,387,527.60/25,130.96
  6. Step 6: Final answer
    x = 26,357.43

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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.