Home / 25,347.46-38,028.48-12,866.98

Finding the Fourth Proportional to 25,347.46, 38,028.48 and 12,866.98

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Solution

The fourth proportional to 25,347.46, 38,028.48 and 12,866.98 is: 19,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.46 : 38,028.48 = 12,866.98 : x
  2. Step 2: Convert to fraction form
    25,347.46/38,028.48 = 12,866.98/x
  3. Step 3: Cross multiply
    25,347.46x = 38,028.48 × 12,866.98
  4. Step 4: Simplify right side
    25,347.46x = 489,311,691.59
  5. Step 5: Solve for x
    x = 489,311,691.59/25,347.46
  6. Step 6: Final answer
    x = 19,304.17

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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.