Home / 27,933.39-38,573.01-20,847.51

Finding the Fourth Proportional to 27,933.39, 38,573.01 and 20,847.51

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Solution

The fourth proportional to 27,933.39, 38,573.01 and 20,847.51 is: 28,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.39 : 38,573.01 = 20,847.51 : x
  2. Step 2: Convert to fraction form
    27,933.39/38,573.01 = 20,847.51/x
  3. Step 3: Cross multiply
    27,933.39x = 38,573.01 × 20,847.51
  4. Step 4: Simplify right side
    27,933.39x = 804,151,211.71
  5. Step 5: Solve for x
    x = 804,151,211.71/27,933.39
  6. Step 6: Final answer
    x = 28,788.17

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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.