Home / 25,178.50-37,767.84-10,185.40

Finding the Fourth Proportional to 25,178.50, 37,767.84 and 10,185.40

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Solution

The fourth proportional to 25,178.50, 37,767.84 and 10,185.40 is: 15,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.50 : 37,767.84 = 10,185.40 : x
  2. Step 2: Convert to fraction form
    25,178.50/37,767.84 = 10,185.40/x
  3. Step 3: Cross multiply
    25,178.50x = 37,767.84 × 10,185.40
  4. Step 4: Simplify right side
    25,178.50x = 384,680,557.54
  5. Step 5: Solve for x
    x = 384,680,557.54/25,178.50
  6. Step 6: Final answer
    x = 15,278.14

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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.