Home / 27,693.36-38,214.99-15,756.39

Finding the Fourth Proportional to 27,693.36, 38,214.99 and 15,756.39

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Solution

The fourth proportional to 27,693.36, 38,214.99 and 15,756.39 is: 21,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.36 : 38,214.99 = 15,756.39 : x
  2. Step 2: Convert to fraction form
    27,693.36/38,214.99 = 15,756.39/x
  3. Step 3: Cross multiply
    27,693.36x = 38,214.99 × 15,756.39
  4. Step 4: Simplify right side
    27,693.36x = 602,130,286.29
  5. Step 5: Solve for x
    x = 602,130,286.29/27,693.36
  6. Step 6: Final answer
    x = 21,742.77

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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.