Home / 27,735.68-38,275.08-15,799.52

Finding the Fourth Proportional to 27,735.68, 38,275.08 and 15,799.52

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Solution

The fourth proportional to 27,735.68, 38,275.08 and 15,799.52 is: 21,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.68 : 38,275.08 = 15,799.52 : x
  2. Step 2: Convert to fraction form
    27,735.68/38,275.08 = 15,799.52/x
  3. Step 3: Cross multiply
    27,735.68x = 38,275.08 × 15,799.52
  4. Step 4: Simplify right side
    27,735.68x = 604,727,891.96
  5. Step 5: Solve for x
    x = 604,727,891.96/27,735.68
  6. Step 6: Final answer
    x = 21,803.25

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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.