Home / 27,249.78-37,607.10-15,316.02

Finding the Fourth Proportional to 27,249.78, 37,607.10 and 15,316.02

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Solution

The fourth proportional to 27,249.78, 37,607.10 and 15,316.02 is: 21,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.78 : 37,607.10 = 15,316.02 : x
  2. Step 2: Convert to fraction form
    27,249.78/37,607.10 = 15,316.02/x
  3. Step 3: Cross multiply
    27,249.78x = 37,607.10 × 15,316.02
  4. Step 4: Simplify right side
    27,249.78x = 575,991,095.74
  5. Step 5: Solve for x
    x = 575,991,095.74/27,249.78
  6. Step 6: Final answer
    x = 21,137.46

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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.