Home / 25,825.76-35,639.54-14,647.76

Finding the Fourth Proportional to 25,825.76, 35,639.54 and 14,647.76

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Solution

The fourth proportional to 25,825.76, 35,639.54 and 14,647.76 is: 20,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.76 : 35,639.54 = 14,647.76 : x
  2. Step 2: Convert to fraction form
    25,825.76/35,639.54 = 14,647.76/x
  3. Step 3: Cross multiply
    25,825.76x = 35,639.54 × 14,647.76
  4. Step 4: Simplify right side
    25,825.76x = 522,039,428.43
  5. Step 5: Solve for x
    x = 522,039,428.43/25,825.76
  6. Step 6: Final answer
    x = 20,213.90

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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.