Home / 25,434.32-38,135.69-10,625.09

Finding the Fourth Proportional to 25,434.32, 38,135.69 and 10,625.09

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Solution

The fourth proportional to 25,434.32, 38,135.69 and 10,625.09 is: 15,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.32 : 38,135.69 = 10,625.09 : x
  2. Step 2: Convert to fraction form
    25,434.32/38,135.69 = 10,625.09/x
  3. Step 3: Cross multiply
    25,434.32x = 38,135.69 × 10,625.09
  4. Step 4: Simplify right side
    25,434.32x = 405,195,085.34
  5. Step 5: Solve for x
    x = 405,195,085.34/25,434.32
  6. Step 6: Final answer
    x = 15,931.04

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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.