Home / 25,341.92-34,974.80-21,085.48

Finding the Fourth Proportional to 25,341.92, 34,974.80 and 21,085.48

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Solution

The fourth proportional to 25,341.92, 34,974.80 and 21,085.48 is: 29,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.92 : 34,974.80 = 21,085.48 : x
  2. Step 2: Convert to fraction form
    25,341.92/34,974.80 = 21,085.48/x
  3. Step 3: Cross multiply
    25,341.92x = 34,974.80 × 21,085.48
  4. Step 4: Simplify right side
    25,341.92x = 737,460,445.90
  5. Step 5: Solve for x
    x = 737,460,445.90/25,341.92
  6. Step 6: Final answer
    x = 29,100.42

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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.