Home / 25,750.60-35,530.69-15,672.29

Finding the Fourth Proportional to 25,750.60, 35,530.69 and 15,672.29

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Solution

The fourth proportional to 25,750.60, 35,530.69 and 15,672.29 is: 21,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.60 : 35,530.69 = 15,672.29 : x
  2. Step 2: Convert to fraction form
    25,750.60/35,530.69 = 15,672.29/x
  3. Step 3: Cross multiply
    25,750.60x = 35,530.69 × 15,672.29
  4. Step 4: Simplify right side
    25,750.60x = 556,847,021.57
  5. Step 5: Solve for x
    x = 556,847,021.57/25,750.60
  6. Step 6: Final answer
    x = 21,624.63

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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.