Home / 24,969.69-34,457.99-13,639.19

Finding the Fourth Proportional to 24,969.69, 34,457.99 and 13,639.19

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Solution

The fourth proportional to 24,969.69, 34,457.99 and 13,639.19 is: 18,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,969.69 : 34,457.99 = 13,639.19 : x
  2. Step 2: Convert to fraction form
    24,969.69/34,457.99 = 13,639.19/x
  3. Step 3: Cross multiply
    24,969.69x = 34,457.99 × 13,639.19
  4. Step 4: Simplify right side
    24,969.69x = 469,978,832.14
  5. Step 5: Solve for x
    x = 469,978,832.14/24,969.69
  6. Step 6: Final answer
    x = 18,821.97

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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.