Home / 35,280.78-52,907.79-10,315.56

Finding the Fourth Proportional to 35,280.78, 52,907.79 and 10,315.56

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Solution

The fourth proportional to 35,280.78, 52,907.79 and 10,315.56 is: 15,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.78 : 52,907.79 = 10,315.56 : x
  2. Step 2: Convert to fraction form
    35,280.78/52,907.79 = 10,315.56/x
  3. Step 3: Cross multiply
    35,280.78x = 52,907.79 × 10,315.56
  4. Step 4: Simplify right side
    35,280.78x = 545,773,482.21
  5. Step 5: Solve for x
    x = 545,773,482.21/35,280.78
  6. Step 6: Final answer
    x = 15,469.43

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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.