Home / 27,417.78-41,071.86-12,606.40

Finding the Fourth Proportional to 27,417.78, 41,071.86 and 12,606.40

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Solution

The fourth proportional to 27,417.78, 41,071.86 and 12,606.40 is: 18,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.78 : 41,071.86 = 12,606.40 : x
  2. Step 2: Convert to fraction form
    27,417.78/41,071.86 = 12,606.40/x
  3. Step 3: Cross multiply
    27,417.78x = 41,071.86 × 12,606.40
  4. Step 4: Simplify right side
    27,417.78x = 517,768,295.90
  5. Step 5: Solve for x
    x = 517,768,295.90/27,417.78
  6. Step 6: Final answer
    x = 18,884.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.