Home / 26,457.87-39,685.51-9,821.14

Finding the Fourth Proportional to 26,457.87, 39,685.51 and 9,821.14

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Solution

The fourth proportional to 26,457.87, 39,685.51 and 9,821.14 is: 14,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.87 : 39,685.51 = 9,821.14 : x
  2. Step 2: Convert to fraction form
    26,457.87/39,685.51 = 9,821.14/x
  3. Step 3: Cross multiply
    26,457.87x = 39,685.51 × 9,821.14
  4. Step 4: Simplify right side
    26,457.87x = 389,756,949.68
  5. Step 5: Solve for x
    x = 389,756,949.68/26,457.87
  6. Step 6: Final answer
    x = 14,731.23

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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.