Home / 25,325.10-34,948.40-13,994.56

Finding the Fourth Proportional to 25,325.10, 34,948.40 and 13,994.56

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Solution

The fourth proportional to 25,325.10, 34,948.40 and 13,994.56 is: 19,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.10 : 34,948.40 = 13,994.56 : x
  2. Step 2: Convert to fraction form
    25,325.10/34,948.40 = 13,994.56/x
  3. Step 3: Cross multiply
    25,325.10x = 34,948.40 × 13,994.56
  4. Step 4: Simplify right side
    25,325.10x = 489,087,480.70
  5. Step 5: Solve for x
    x = 489,087,480.70/25,325.10
  6. Step 6: Final answer
    x = 19,312.36

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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.