Home / 27,736.29-38,276.34-15,799.45

Finding the Fourth Proportional to 27,736.29, 38,276.34 and 15,799.45

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Solution

The fourth proportional to 27,736.29, 38,276.34 and 15,799.45 is: 21,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.29 : 38,276.34 = 15,799.45 : x
  2. Step 2: Convert to fraction form
    27,736.29/38,276.34 = 15,799.45/x
  3. Step 3: Cross multiply
    27,736.29x = 38,276.34 × 15,799.45
  4. Step 4: Simplify right side
    27,736.29x = 604,745,041.02
  5. Step 5: Solve for x
    x = 604,745,041.02/27,736.29
  6. Step 6: Final answer
    x = 21,803.39

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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.