Home / 27,378.18-37,781.73-14,802.66

Finding the Fourth Proportional to 27,378.18, 37,781.73 and 14,802.66

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Solution

The fourth proportional to 27,378.18, 37,781.73 and 14,802.66 is: 20,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.18 : 37,781.73 = 14,802.66 : x
  2. Step 2: Convert to fraction form
    27,378.18/37,781.73 = 14,802.66/x
  3. Step 3: Cross multiply
    27,378.18x = 37,781.73 × 14,802.66
  4. Step 4: Simplify right side
    27,378.18x = 559,270,103.40
  5. Step 5: Solve for x
    x = 559,270,103.40/27,378.18
  6. Step 6: Final answer
    x = 20,427.59

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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.