Home / 25,752.79-35,539.73-15,143.41

Finding the Fourth Proportional to 25,752.79, 35,539.73 and 15,143.41

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Solution

The fourth proportional to 25,752.79, 35,539.73 and 15,143.41 is: 20,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,752.79 : 35,539.73 = 15,143.41 : x
  2. Step 2: Convert to fraction form
    25,752.79/35,539.73 = 15,143.41/x
  3. Step 3: Cross multiply
    25,752.79x = 35,539.73 × 15,143.41
  4. Step 4: Simplify right side
    25,752.79x = 538,192,702.68
  5. Step 5: Solve for x
    x = 538,192,702.68/25,752.79
  6. Step 6: Final answer
    x = 20,898.42

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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.