Home / 28,297.36-42,463.86-15,825.55

Finding the Fourth Proportional to 28,297.36, 42,463.86 and 15,825.55

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Solution

The fourth proportional to 28,297.36, 42,463.86 and 15,825.55 is: 23,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.36 : 42,463.86 = 15,825.55 : x
  2. Step 2: Convert to fraction form
    28,297.36/42,463.86 = 15,825.55/x
  3. Step 3: Cross multiply
    28,297.36x = 42,463.86 × 15,825.55
  4. Step 4: Simplify right side
    28,297.36x = 672,013,939.62
  5. Step 5: Solve for x
    x = 672,013,939.62/28,297.36
  6. Step 6: Final answer
    x = 23,748.29

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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.