Home / 28,874.16-43,315.35-8,885.31

Finding the Fourth Proportional to 28,874.16, 43,315.35 and 8,885.31

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Solution

The fourth proportional to 28,874.16, 43,315.35 and 8,885.31 is: 13,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.16 : 43,315.35 = 8,885.31 : x
  2. Step 2: Convert to fraction form
    28,874.16/43,315.35 = 8,885.31/x
  3. Step 3: Cross multiply
    28,874.16x = 43,315.35 × 8,885.31
  4. Step 4: Simplify right side
    28,874.16x = 384,870,312.51
  5. Step 5: Solve for x
    x = 384,870,312.51/28,874.16
  6. Step 6: Final answer
    x = 13,329.23

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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.