Home / 27,798.84-38,362.56-15,223.59

Finding the Fourth Proportional to 27,798.84, 38,362.56 and 15,223.59

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Solution

The fourth proportional to 27,798.84, 38,362.56 and 15,223.59 is: 21,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.84 : 38,362.56 = 15,223.59 : x
  2. Step 2: Convert to fraction form
    27,798.84/38,362.56 = 15,223.59/x
  3. Step 3: Cross multiply
    27,798.84x = 38,362.56 × 15,223.59
  4. Step 4: Simplify right side
    27,798.84x = 584,015,884.79
  5. Step 5: Solve for x
    x = 584,015,884.79/27,798.84
  6. Step 6: Final answer
    x = 21,008.64

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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.