Home / 28,315.19-42,467.12-26,910.11

Finding the Fourth Proportional to 28,315.19, 42,467.12 and 26,910.11

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Solution

The fourth proportional to 28,315.19, 42,467.12 and 26,910.11 is: 40,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315.19 : 42,467.12 = 26,910.11 : x
  2. Step 2: Convert to fraction form
    28,315.19/42,467.12 = 26,910.11/x
  3. Step 3: Cross multiply
    28,315.19x = 42,467.12 × 26,910.11
  4. Step 4: Simplify right side
    28,315.19x = 1,142,794,943.11
  5. Step 5: Solve for x
    x = 1,142,794,943.11/28,315.19
  6. Step 6: Final answer
    x = 40,359.78

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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.