Home / 26,318.40-39,464.80-14,619.20

Finding the Fourth Proportional to 26,318.40, 39,464.80 and 14,619.20

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Solution

The fourth proportional to 26,318.40, 39,464.80 and 14,619.20 is: 21,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.40 : 39,464.80 = 14,619.20 : x
  2. Step 2: Convert to fraction form
    26,318.40/39,464.80 = 14,619.20/x
  3. Step 3: Cross multiply
    26,318.40x = 39,464.80 × 14,619.20
  4. Step 4: Simplify right side
    26,318.40x = 576,943,804.16
  5. Step 5: Solve for x
    x = 576,943,804.16/26,318.40
  6. Step 6: Final answer
    x = 21,921.69

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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.