Home / 27,089.10-40,633.65-19,745.10

Finding the Fourth Proportional to 27,089.10, 40,633.65 and 19,745.10

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Solution

The fourth proportional to 27,089.10, 40,633.65 and 19,745.10 is: 29,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.10 : 40,633.65 = 19,745.10 : x
  2. Step 2: Convert to fraction form
    27,089.10/40,633.65 = 19,745.10/x
  3. Step 3: Cross multiply
    27,089.10x = 40,633.65 × 19,745.10
  4. Step 4: Simplify right side
    27,089.10x = 802,315,482.62
  5. Step 5: Solve for x
    x = 802,315,482.62/27,089.10
  6. Step 6: Final answer
    x = 29,617.65

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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.