Home / 26,565.46-39,838.89-7,840.51

Finding the Fourth Proportional to 26,565.46, 39,838.89 and 7,840.51

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Solution

The fourth proportional to 26,565.46, 39,838.89 and 7,840.51 is: 11,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,565.46 : 39,838.89 = 7,840.51 : x
  2. Step 2: Convert to fraction form
    26,565.46/39,838.89 = 7,840.51/x
  3. Step 3: Cross multiply
    26,565.46x = 39,838.89 × 7,840.51
  4. Step 4: Simplify right side
    26,565.46x = 312,357,215.43
  5. Step 5: Solve for x
    x = 312,357,215.43/26,565.46
  6. Step 6: Final answer
    x = 11,758.02

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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.