Home / 28,062.29-38,724.94-15,486.77

Finding the Fourth Proportional to 28,062.29, 38,724.94 and 15,486.77

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Solution

The fourth proportional to 28,062.29, 38,724.94 and 15,486.77 is: 21,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.29 : 38,724.94 = 15,486.77 : x
  2. Step 2: Convert to fraction form
    28,062.29/38,724.94 = 15,486.77/x
  3. Step 3: Cross multiply
    28,062.29x = 38,724.94 × 15,486.77
  4. Step 4: Simplify right side
    28,062.29x = 599,724,239.04
  5. Step 5: Solve for x
    x = 599,724,239.04/28,062.29
  6. Step 6: Final answer
    x = 21,371.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.