Home / 25,496.79-35,157.21-17,431.76

Finding the Fourth Proportional to 25,496.79, 35,157.21 and 17,431.76

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Solution

The fourth proportional to 25,496.79, 35,157.21 and 17,431.76 is: 24,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,496.79 : 35,157.21 = 17,431.76 : x
  2. Step 2: Convert to fraction form
    25,496.79/35,157.21 = 17,431.76/x
  3. Step 3: Cross multiply
    25,496.79x = 35,157.21 × 17,431.76
  4. Step 4: Simplify right side
    25,496.79x = 612,852,167.57
  5. Step 5: Solve for x
    x = 612,852,167.57/25,496.79
  6. Step 6: Final answer
    x = 24,036.44

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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.