Home / 25,434.02-38,144.10-10,640.54

Finding the Fourth Proportional to 25,434.02, 38,144.10 and 10,640.54

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Solution

The fourth proportional to 25,434.02, 38,144.10 and 10,640.54 is: 15,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.02 : 38,144.10 = 10,640.54 : x
  2. Step 2: Convert to fraction form
    25,434.02/38,144.10 = 10,640.54/x
  3. Step 3: Cross multiply
    25,434.02x = 38,144.10 × 10,640.54
  4. Step 4: Simplify right side
    25,434.02x = 405,873,821.81
  5. Step 5: Solve for x
    x = 405,873,821.81/25,434.02
  6. Step 6: Final answer
    x = 15,957.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.