Home / 25,330.52-34,955.89-14,000.78

Finding the Fourth Proportional to 25,330.52, 34,955.89 and 14,000.78

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Solution

The fourth proportional to 25,330.52, 34,955.89 and 14,000.78 is: 19,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.52 : 34,955.89 = 14,000.78 : x
  2. Step 2: Convert to fraction form
    25,330.52/34,955.89 = 14,000.78/x
  3. Step 3: Cross multiply
    25,330.52x = 34,955.89 × 14,000.78
  4. Step 4: Simplify right side
    25,330.52x = 489,409,777.98
  5. Step 5: Solve for x
    x = 489,409,777.98/25,330.52
  6. Step 6: Final answer
    x = 19,320.95

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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.