Home / 20,334.42-30,433.95-15,376.76

Finding the Fourth Proportional to 20,334.42, 30,433.95 and 15,376.76

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Solution

The fourth proportional to 20,334.42, 30,433.95 and 15,376.76 is: 23,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.42 : 30,433.95 = 15,376.76 : x
  2. Step 2: Convert to fraction form
    20,334.42/30,433.95 = 15,376.76/x
  3. Step 3: Cross multiply
    20,334.42x = 30,433.95 × 15,376.76
  4. Step 4: Simplify right side
    20,334.42x = 467,975,392.83
  5. Step 5: Solve for x
    x = 467,975,392.83/20,334.42
  6. Step 6: Final answer
    x = 23,013.95

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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.