Home / 28,500.84-42,760.98-15,354.56

Finding the Fourth Proportional to 28,500.84, 42,760.98 and 15,354.56

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Solution

The fourth proportional to 28,500.84, 42,760.98 and 15,354.56 is: 23,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.84 : 42,760.98 = 15,354.56 : x
  2. Step 2: Convert to fraction form
    28,500.84/42,760.98 = 15,354.56/x
  3. Step 3: Cross multiply
    28,500.84x = 42,760.98 × 15,354.56
  4. Step 4: Simplify right side
    28,500.84x = 656,576,033.07
  5. Step 5: Solve for x
    x = 656,576,033.07/28,500.84
  6. Step 6: Final answer
    x = 23,037.08

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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.