Home / 26,986.61-37,231.67-16,915.48

Finding the Fourth Proportional to 26,986.61, 37,231.67 and 16,915.48

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Solution

The fourth proportional to 26,986.61, 37,231.67 and 16,915.48 is: 23,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.61 : 37,231.67 = 16,915.48 : x
  2. Step 2: Convert to fraction form
    26,986.61/37,231.67 = 16,915.48/x
  3. Step 3: Cross multiply
    26,986.61x = 37,231.67 × 16,915.48
  4. Step 4: Simplify right side
    26,986.61x = 629,791,518.46
  5. Step 5: Solve for x
    x = 629,791,518.46/26,986.61
  6. Step 6: Final answer
    x = 23,337.18

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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.