Home / 27,309.57-37,682.71-15,820.39

Finding the Fourth Proportional to 27,309.57, 37,682.71 and 15,820.39

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Solution

The fourth proportional to 27,309.57, 37,682.71 and 15,820.39 is: 21,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.57 : 37,682.71 = 15,820.39 : x
  2. Step 2: Convert to fraction form
    27,309.57/37,682.71 = 15,820.39/x
  3. Step 3: Cross multiply
    27,309.57x = 37,682.71 × 15,820.39
  4. Step 4: Simplify right side
    27,309.57x = 596,155,168.46
  5. Step 5: Solve for x
    x = 596,155,168.46/27,309.57
  6. Step 6: Final answer
    x = 21,829.53

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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.