Home / 27,637.61-38,099.75-19,126.76

Finding the Fourth Proportional to 27,637.61, 38,099.75 and 19,126.76

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Solution

The fourth proportional to 27,637.61, 38,099.75 and 19,126.76 is: 26,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.61 : 38,099.75 = 19,126.76 : x
  2. Step 2: Convert to fraction form
    27,637.61/38,099.75 = 19,126.76/x
  3. Step 3: Cross multiply
    27,637.61x = 38,099.75 × 19,126.76
  4. Step 4: Simplify right side
    27,637.61x = 728,724,488.18
  5. Step 5: Solve for x
    x = 728,724,488.18/27,637.61
  6. Step 6: Final answer
    x = 26,367.14

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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.