Home / 26,419.16-39,633.92-9,779.32

Finding the Fourth Proportional to 26,419.16, 39,633.92 and 9,779.32

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Solution

The fourth proportional to 26,419.16, 39,633.92 and 9,779.32 is: 14,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.16 : 39,633.92 = 9,779.32 : x
  2. Step 2: Convert to fraction form
    26,419.16/39,633.92 = 9,779.32/x
  3. Step 3: Cross multiply
    26,419.16x = 39,633.92 × 9,779.32
  4. Step 4: Simplify right side
    26,419.16x = 387,592,786.53
  5. Step 5: Solve for x
    x = 387,592,786.53/26,419.16
  6. Step 6: Final answer
    x = 14,670.90

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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.