Home / 25,075.78-34,580.70-15,002.62

Finding the Fourth Proportional to 25,075.78, 34,580.70 and 15,002.62

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Solution

The fourth proportional to 25,075.78, 34,580.70 and 15,002.62 is: 20,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.78 : 34,580.70 = 15,002.62 : x
  2. Step 2: Convert to fraction form
    25,075.78/34,580.70 = 15,002.62/x
  3. Step 3: Cross multiply
    25,075.78x = 34,580.70 × 15,002.62
  4. Step 4: Simplify right side
    25,075.78x = 518,801,101.43
  5. Step 5: Solve for x
    x = 518,801,101.43/25,075.78
  6. Step 6: Final answer
    x = 20,689.33

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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.