Home / 25,343.16-38,015.15-7,812.95

Finding the Fourth Proportional to 25,343.16, 38,015.15 and 7,812.95

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Solution

The fourth proportional to 25,343.16, 38,015.15 and 7,812.95 is: 11,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.16 : 38,015.15 = 7,812.95 : x
  2. Step 2: Convert to fraction form
    25,343.16/38,015.15 = 7,812.95/x
  3. Step 3: Cross multiply
    25,343.16x = 38,015.15 × 7,812.95
  4. Step 4: Simplify right side
    25,343.16x = 297,010,237.05
  5. Step 5: Solve for x
    x = 297,010,237.05/25,343.16
  6. Step 6: Final answer
    x = 11,719.54

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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.