Home / 28,948.86-39,942.96-17,624.28

Finding the Fourth Proportional to 28,948.86, 39,942.96 and 17,624.28

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Solution

The fourth proportional to 28,948.86, 39,942.96 and 17,624.28 is: 24,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.86 : 39,942.96 = 17,624.28 : x
  2. Step 2: Convert to fraction form
    28,948.86/39,942.96 = 17,624.28/x
  3. Step 3: Cross multiply
    28,948.86x = 39,942.96 × 17,624.28
  4. Step 4: Simplify right side
    28,948.86x = 703,965,911.07
  5. Step 5: Solve for x
    x = 703,965,911.07/28,948.86
  6. Step 6: Final answer
    x = 24,317.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.