Home / 28,013.41-38,658.51-15,266.59

Finding the Fourth Proportional to 28,013.41, 38,658.51 and 15,266.59

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Solution

The fourth proportional to 28,013.41, 38,658.51 and 15,266.59 is: 21,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.41 : 38,658.51 = 15,266.59 : x
  2. Step 2: Convert to fraction form
    28,013.41/38,658.51 = 15,266.59/x
  3. Step 3: Cross multiply
    28,013.41x = 38,658.51 × 15,266.59
  4. Step 4: Simplify right side
    28,013.41x = 590,183,663.81
  5. Step 5: Solve for x
    x = 590,183,663.81/28,013.41
  6. Step 6: Final answer
    x = 21,067.90

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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.