Home / 27,389.91-37,821.15-18,466.95

Finding the Fourth Proportional to 27,389.91, 37,821.15 and 18,466.95

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Solution

The fourth proportional to 27,389.91, 37,821.15 and 18,466.95 is: 25,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.91 : 37,821.15 = 18,466.95 : x
  2. Step 2: Convert to fraction form
    27,389.91/37,821.15 = 18,466.95/x
  3. Step 3: Cross multiply
    27,389.91x = 37,821.15 × 18,466.95
  4. Step 4: Simplify right side
    27,389.91x = 698,441,285.99
  5. Step 5: Solve for x
    x = 698,441,285.99/27,389.91
  6. Step 6: Final answer
    x = 25,499.95

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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.