Home / 26,482.18-39,686.37-19,900.68

Finding the Fourth Proportional to 26,482.18, 39,686.37 and 19,900.68

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Solution

The fourth proportional to 26,482.18, 39,686.37 and 19,900.68 is: 29,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.18 : 39,686.37 = 19,900.68 : x
  2. Step 2: Convert to fraction form
    26,482.18/39,686.37 = 19,900.68/x
  3. Step 3: Cross multiply
    26,482.18x = 39,686.37 × 19,900.68
  4. Step 4: Simplify right side
    26,482.18x = 789,785,675.10
  5. Step 5: Solve for x
    x = 789,785,675.10/26,482.18
  6. Step 6: Final answer
    x = 29,823.29

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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.