Home / 25,401.92-35,055.89-15,330.18

Finding the Fourth Proportional to 25,401.92, 35,055.89 and 15,330.18

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Solution

The fourth proportional to 25,401.92, 35,055.89 and 15,330.18 is: 21,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.92 : 35,055.89 = 15,330.18 : x
  2. Step 2: Convert to fraction form
    25,401.92/35,055.89 = 15,330.18/x
  3. Step 3: Cross multiply
    25,401.92x = 35,055.89 × 15,330.18
  4. Step 4: Simplify right side
    25,401.92x = 537,413,018.87
  5. Step 5: Solve for x
    x = 537,413,018.87/25,401.92
  6. Step 6: Final answer
    x = 21,156.39

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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.