Home / 25,638.42-35,382.36-15,031.46

Finding the Fourth Proportional to 25,638.42, 35,382.36 and 15,031.46

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Solution

The fourth proportional to 25,638.42, 35,382.36 and 15,031.46 is: 20,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.42 : 35,382.36 = 15,031.46 : x
  2. Step 2: Convert to fraction form
    25,638.42/35,382.36 = 15,031.46/x
  3. Step 3: Cross multiply
    25,638.42x = 35,382.36 × 15,031.46
  4. Step 4: Simplify right side
    25,638.42x = 531,848,529.05
  5. Step 5: Solve for x
    x = 531,848,529.05/25,638.42
  6. Step 6: Final answer
    x = 20,744.20

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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.