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Finding the Fourth Proportional to 27,996.51, 42,038.51 and 26,749.92

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Solution

The fourth proportional to 27,996.51, 42,038.51 and 26,749.92 is: 40,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.51 : 42,038.51 = 26,749.92 : x
  2. Step 2: Convert to fraction form
    27,996.51/42,038.51 = 26,749.92/x
  3. Step 3: Cross multiply
    27,996.51x = 42,038.51 × 26,749.92
  4. Step 4: Simplify right side
    27,996.51x = 1,124,526,779.42
  5. Step 5: Solve for x
    x = 1,124,526,779.42/27,996.51
  6. Step 6: Final answer
    x = 40,166.68

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1.5x scale

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.