Home / 28,864.66-43,263.96-13,081.72

Finding the Fourth Proportional to 28,864.66, 43,263.96 and 13,081.72

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Solution

The fourth proportional to 28,864.66, 43,263.96 and 13,081.72 is: 19,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.66 : 43,263.96 = 13,081.72 : x
  2. Step 2: Convert to fraction form
    28,864.66/43,263.96 = 13,081.72/x
  3. Step 3: Cross multiply
    28,864.66x = 43,263.96 × 13,081.72
  4. Step 4: Simplify right side
    28,864.66x = 565,967,010.81
  5. Step 5: Solve for x
    x = 565,967,010.81/28,864.66
  6. Step 6: Final answer
    x = 19,607.61

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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.