Home / 27,000.78-37,260.96-15,064.10

Finding the Fourth Proportional to 27,000.78, 37,260.96 and 15,064.10

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Solution

The fourth proportional to 27,000.78, 37,260.96 and 15,064.10 is: 20,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.78 : 37,260.96 = 15,064.10 : x
  2. Step 2: Convert to fraction form
    27,000.78/37,260.96 = 15,064.10/x
  3. Step 3: Cross multiply
    27,000.78x = 37,260.96 × 15,064.10
  4. Step 4: Simplify right side
    27,000.78x = 561,302,641.23
  5. Step 5: Solve for x
    x = 561,302,641.23/27,000.78
  6. Step 6: Final answer
    x = 20,788.39

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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.