Home / 27,629.23-38,128.33-15,053.98

Finding the Fourth Proportional to 27,629.23, 38,128.33 and 15,053.98

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Solution

The fourth proportional to 27,629.23, 38,128.33 and 15,053.98 is: 20,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.23 : 38,128.33 = 15,053.98 : x
  2. Step 2: Convert to fraction form
    27,629.23/38,128.33 = 15,053.98/x
  3. Step 3: Cross multiply
    27,629.23x = 38,128.33 × 15,053.98
  4. Step 4: Simplify right side
    27,629.23x = 573,983,026.17
  5. Step 5: Solve for x
    x = 573,983,026.17/27,629.23
  6. Step 6: Final answer
    x = 20,774.49

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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.