Home / 28,617.23-42,874.37-26,929.09

Finding the Fourth Proportional to 28,617.23, 42,874.37 and 26,929.09

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Solution

The fourth proportional to 28,617.23, 42,874.37 and 26,929.09 is: 40,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.23 : 42,874.37 = 26,929.09 : x
  2. Step 2: Convert to fraction form
    28,617.23/42,874.37 = 26,929.09/x
  3. Step 3: Cross multiply
    28,617.23x = 42,874.37 × 26,929.09
  4. Step 4: Simplify right side
    28,617.23x = 1,154,567,740.96
  5. Step 5: Solve for x
    x = 1,154,567,740.96/28,617.23
  6. Step 6: Final answer
    x = 40,345.19

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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.