Home / 28,897.62-39,878.85-16,151.01

Finding the Fourth Proportional to 28,897.62, 39,878.85 and 16,151.01

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Solution

The fourth proportional to 28,897.62, 39,878.85 and 16,151.01 is: 22,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.62 : 39,878.85 = 16,151.01 : x
  2. Step 2: Convert to fraction form
    28,897.62/39,878.85 = 16,151.01/x
  3. Step 3: Cross multiply
    28,897.62x = 39,878.85 × 16,151.01
  4. Step 4: Simplify right side
    28,897.62x = 644,083,705.14
  5. Step 5: Solve for x
    x = 644,083,705.14/28,897.62
  6. Step 6: Final answer
    x = 22,288.47

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1.5x scale

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.