Home / 27,492.18-37,940.07-15,555.30

Finding the Fourth Proportional to 27,492.18, 37,940.07 and 15,555.30

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Solution

The fourth proportional to 27,492.18, 37,940.07 and 15,555.30 is: 21,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.18 : 37,940.07 = 15,555.30 : x
  2. Step 2: Convert to fraction form
    27,492.18/37,940.07 = 15,555.30/x
  3. Step 3: Cross multiply
    27,492.18x = 37,940.07 × 15,555.30
  4. Step 4: Simplify right side
    27,492.18x = 590,169,170.87
  5. Step 5: Solve for x
    x = 590,169,170.87/27,492.18
  6. Step 6: Final answer
    x = 21,466.80

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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.