Home / 26,178.81-39,268.62-6,457.37

Finding the Fourth Proportional to 26,178.81, 39,268.62 and 6,457.37

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Solution

The fourth proportional to 26,178.81, 39,268.62 and 6,457.37 is: 9,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.81 : 39,268.62 = 6,457.37 : x
  2. Step 2: Convert to fraction form
    26,178.81/39,268.62 = 6,457.37/x
  3. Step 3: Cross multiply
    26,178.81x = 39,268.62 × 6,457.37
  4. Step 4: Simplify right side
    26,178.81x = 253,571,812.39
  5. Step 5: Solve for x
    x = 253,571,812.39/26,178.81
  6. Step 6: Final answer
    x = 9,686.15

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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.