Home / 27,693.33-38,216.29-15,756.40

Finding the Fourth Proportional to 27,693.33, 38,216.29 and 15,756.40

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Solution

The fourth proportional to 27,693.33, 38,216.29 and 15,756.40 is: 21,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.33 : 38,216.29 = 15,756.40 : x
  2. Step 2: Convert to fraction form
    27,693.33/38,216.29 = 15,756.40/x
  3. Step 3: Cross multiply
    27,693.33x = 38,216.29 × 15,756.40
  4. Step 4: Simplify right side
    27,693.33x = 602,151,151.76
  5. Step 5: Solve for x
    x = 602,151,151.76/27,693.33
  6. Step 6: Final answer
    x = 21,743.54

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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.