Home / 25,630.84-38,427.80-15,749.70

Finding the Fourth Proportional to 25,630.84, 38,427.80 and 15,749.70

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Solution

The fourth proportional to 25,630.84, 38,427.80 and 15,749.70 is: 23,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.84 : 38,427.80 = 15,749.70 : x
  2. Step 2: Convert to fraction form
    25,630.84/38,427.80 = 15,749.70/x
  3. Step 3: Cross multiply
    25,630.84x = 38,427.80 × 15,749.70
  4. Step 4: Simplify right side
    25,630.84x = 605,226,361.03
  5. Step 5: Solve for x
    x = 605,226,361.03/25,630.84
  6. Step 6: Final answer
    x = 23,613.21

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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.