Home / 28,384.16-42,576.24-15,898.28

Finding the Fourth Proportional to 28,384.16, 42,576.24 and 15,898.28

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Solution

The fourth proportional to 28,384.16, 42,576.24 and 15,898.28 is: 23,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.16 : 42,576.24 = 15,898.28 : x
  2. Step 2: Convert to fraction form
    28,384.16/42,576.24 = 15,898.28/x
  3. Step 3: Cross multiply
    28,384.16x = 42,576.24 × 15,898.28
  4. Step 4: Simplify right side
    28,384.16x = 676,888,984.87
  5. Step 5: Solve for x
    x = 676,888,984.87/28,384.16
  6. Step 6: Final answer
    x = 23,847.42

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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.