Home / 28,998.81-43,508.58-17,892.57

Finding the Fourth Proportional to 28,998.81, 43,508.58 and 17,892.57

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Solution

The fourth proportional to 28,998.81, 43,508.58 and 17,892.57 is: 26,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.81 : 43,508.58 = 17,892.57 : x
  2. Step 2: Convert to fraction form
    28,998.81/43,508.58 = 17,892.57/x
  3. Step 3: Cross multiply
    28,998.81x = 43,508.58 × 17,892.57
  4. Step 4: Simplify right side
    28,998.81x = 778,480,313.25
  5. Step 5: Solve for x
    x = 778,480,313.25/28,998.81
  6. Step 6: Final answer
    x = 26,845.25

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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.