Home / 18,228.06-27,294.80-15,612.36

Finding the Fourth Proportional to 18,228.06, 27,294.80 and 15,612.36

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Solution

The fourth proportional to 18,228.06, 27,294.80 and 15,612.36 is: 23,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.06 : 27,294.80 = 15,612.36 : x
  2. Step 2: Convert to fraction form
    18,228.06/27,294.80 = 15,612.36/x
  3. Step 3: Cross multiply
    18,228.06x = 27,294.80 × 15,612.36
  4. Step 4: Simplify right side
    18,228.06x = 426,136,165.67
  5. Step 5: Solve for x
    x = 426,136,165.67/18,228.06
  6. Step 6: Final answer
    x = 23,378.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.