Home / 25,210.89-37,816.32-7,680.87

Finding the Fourth Proportional to 25,210.89, 37,816.32 and 7,680.87

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Solution

The fourth proportional to 25,210.89, 37,816.32 and 7,680.87 is: 11,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.89 : 37,816.32 = 7,680.87 : x
  2. Step 2: Convert to fraction form
    25,210.89/37,816.32 = 7,680.87/x
  3. Step 3: Cross multiply
    25,210.89x = 37,816.32 × 7,680.87
  4. Step 4: Simplify right side
    25,210.89x = 290,462,237.80
  5. Step 5: Solve for x
    x = 290,462,237.80/25,210.89
  6. Step 6: Final answer
    x = 11,521.30

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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.