Home / 25,635.81-35,378.33-15,024.81

Finding the Fourth Proportional to 25,635.81, 35,378.33 and 15,024.81

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Solution

The fourth proportional to 25,635.81, 35,378.33 and 15,024.81 is: 20,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.81 : 35,378.33 = 15,024.81 : x
  2. Step 2: Convert to fraction form
    25,635.81/35,378.33 = 15,024.81/x
  3. Step 3: Cross multiply
    25,635.81x = 35,378.33 × 15,024.81
  4. Step 4: Simplify right side
    25,635.81x = 531,552,611.24
  5. Step 5: Solve for x
    x = 531,552,611.24/25,635.81
  6. Step 6: Final answer
    x = 20,734.77

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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.