Home / 28,054.35-42,139.85-22,251.51

Finding the Fourth Proportional to 28,054.35, 42,139.85 and 22,251.51

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Solution

The fourth proportional to 28,054.35, 42,139.85 and 22,251.51 is: 33,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.35 : 42,139.85 = 22,251.51 : x
  2. Step 2: Convert to fraction form
    28,054.35/42,139.85 = 22,251.51/x
  3. Step 3: Cross multiply
    28,054.35x = 42,139.85 × 22,251.51
  4. Step 4: Simplify right side
    28,054.35x = 937,675,182.42
  5. Step 5: Solve for x
    x = 937,675,182.42/28,054.35
  6. Step 6: Final answer
    x = 33,423.52

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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.