Home / 27,362.81-37,766.15-15,426.35

Finding the Fourth Proportional to 27,362.81, 37,766.15 and 15,426.35

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Solution

The fourth proportional to 27,362.81, 37,766.15 and 15,426.35 is: 21,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,362.81 : 37,766.15 = 15,426.35 : x
  2. Step 2: Convert to fraction form
    27,362.81/37,766.15 = 15,426.35/x
  3. Step 3: Cross multiply
    27,362.81x = 37,766.15 × 15,426.35
  4. Step 4: Simplify right side
    27,362.81x = 582,593,781.56
  5. Step 5: Solve for x
    x = 582,593,781.56/27,362.81
  6. Step 6: Final answer
    x = 21,291.44

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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.