Home / 28,093.47-42,139.91-16,239.70

Finding the Fourth Proportional to 28,093.47, 42,139.91 and 16,239.70

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Solution

The fourth proportional to 28,093.47, 42,139.91 and 16,239.70 is: 24,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.47 : 42,139.91 = 16,239.70 : x
  2. Step 2: Convert to fraction form
    28,093.47/42,139.91 = 16,239.70/x
  3. Step 3: Cross multiply
    28,093.47x = 42,139.91 × 16,239.70
  4. Step 4: Simplify right side
    28,093.47x = 684,339,291.77
  5. Step 5: Solve for x
    x = 684,339,291.77/28,093.47
  6. Step 6: Final answer
    x = 24,359.38

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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.