Home / 28,703.13-42,974.85-14,632.83

Finding the Fourth Proportional to 28,703.13, 42,974.85 and 14,632.83

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Solution

The fourth proportional to 28,703.13, 42,974.85 and 14,632.83 is: 21,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.13 : 42,974.85 = 14,632.83 : x
  2. Step 2: Convert to fraction form
    28,703.13/42,974.85 = 14,632.83/x
  3. Step 3: Cross multiply
    28,703.13x = 42,974.85 × 14,632.83
  4. Step 4: Simplify right side
    28,703.13x = 628,843,674.33
  5. Step 5: Solve for x
    x = 628,843,674.33/28,703.13
  6. Step 6: Final answer
    x = 21,908.54

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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.