Home / 27,743.93-38,275.86-17,670.56

Finding the Fourth Proportional to 27,743.93, 38,275.86 and 17,670.56

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Solution

The fourth proportional to 27,743.93, 38,275.86 and 17,670.56 is: 24,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.93 : 38,275.86 = 17,670.56 : x
  2. Step 2: Convert to fraction form
    27,743.93/38,275.86 = 17,670.56/x
  3. Step 3: Cross multiply
    27,743.93x = 38,275.86 × 17,670.56
  4. Step 4: Simplify right side
    27,743.93x = 676,355,880.68
  5. Step 5: Solve for x
    x = 676,355,880.68/27,743.93
  6. Step 6: Final answer
    x = 24,378.52

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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.