Home / 25,355.76-34,990.28-14,025.72

Finding the Fourth Proportional to 25,355.76, 34,990.28 and 14,025.72

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Solution

The fourth proportional to 25,355.76, 34,990.28 and 14,025.72 is: 19,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.76 : 34,990.28 = 14,025.72 : x
  2. Step 2: Convert to fraction form
    25,355.76/34,990.28 = 14,025.72/x
  3. Step 3: Cross multiply
    25,355.76x = 34,990.28 × 14,025.72
  4. Step 4: Simplify right side
    25,355.76x = 490,763,870.00
  5. Step 5: Solve for x
    x = 490,763,870.00/25,355.76
  6. Step 6: Final answer
    x = 19,355.12

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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.