Home / 28,339.14-42,503.85-14,305.44

Finding the Fourth Proportional to 28,339.14, 42,503.85 and 14,305.44

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Solution

The fourth proportional to 28,339.14, 42,503.85 and 14,305.44 is: 21,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.14 : 42,503.85 = 14,305.44 : x
  2. Step 2: Convert to fraction form
    28,339.14/42,503.85 = 14,305.44/x
  3. Step 3: Cross multiply
    28,339.14x = 42,503.85 × 14,305.44
  4. Step 4: Simplify right side
    28,339.14x = 608,036,275.94
  5. Step 5: Solve for x
    x = 608,036,275.94/28,339.14
  6. Step 6: Final answer
    x = 21,455.71

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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.