Home / 34,727.29-47,922.68-20,386.89

Finding the Fourth Proportional to 34,727.29, 47,922.68 and 20,386.89

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Solution

The fourth proportional to 34,727.29, 47,922.68 and 20,386.89 is: 28,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.29 : 47,922.68 = 20,386.89 : x
  2. Step 2: Convert to fraction form
    34,727.29/47,922.68 = 20,386.89/x
  3. Step 3: Cross multiply
    34,727.29x = 47,922.68 × 20,386.89
  4. Step 4: Simplify right side
    34,727.29x = 976,994,313.29
  5. Step 5: Solve for x
    x = 976,994,313.29/34,727.29
  6. Step 6: Final answer
    x = 28,133.33

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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.