Home / 27,369.86-37,770.47-15,433.18

Finding the Fourth Proportional to 27,369.86, 37,770.47 and 15,433.18

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Solution

The fourth proportional to 27,369.86, 37,770.47 and 15,433.18 is: 21,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.86 : 37,770.47 = 15,433.18 : x
  2. Step 2: Convert to fraction form
    27,369.86/37,770.47 = 15,433.18/x
  3. Step 3: Cross multiply
    27,369.86x = 37,770.47 × 15,433.18
  4. Step 4: Simplify right side
    27,369.86x = 582,918,462.19
  5. Step 5: Solve for x
    x = 582,918,462.19/27,369.86
  6. Step 6: Final answer
    x = 21,297.82

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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.