Home / 27,894.51-38,494.17-15,319.26

Finding the Fourth Proportional to 27,894.51, 38,494.17 and 15,319.26

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Solution

The fourth proportional to 27,894.51, 38,494.17 and 15,319.26 is: 21,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.51 : 38,494.17 = 15,319.26 : x
  2. Step 2: Convert to fraction form
    27,894.51/38,494.17 = 15,319.26/x
  3. Step 3: Cross multiply
    27,894.51x = 38,494.17 × 15,319.26
  4. Step 4: Simplify right side
    27,894.51x = 589,702,198.71
  5. Step 5: Solve for x
    x = 589,702,198.71/27,894.51
  6. Step 6: Final answer
    x = 21,140.44

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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.