Home / 28,411.17-42,629.32-14,899.11

Finding the Fourth Proportional to 28,411.17, 42,629.32 and 14,899.11

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Solution

The fourth proportional to 28,411.17, 42,629.32 and 14,899.11 is: 22,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.17 : 42,629.32 = 14,899.11 : x
  2. Step 2: Convert to fraction form
    28,411.17/42,629.32 = 14,899.11/x
  3. Step 3: Cross multiply
    28,411.17x = 42,629.32 × 14,899.11
  4. Step 4: Simplify right side
    28,411.17x = 635,139,118.20
  5. Step 5: Solve for x
    x = 635,139,118.20/28,411.17
  6. Step 6: Final answer
    x = 22,355.26

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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.