Home / 26,547.82-39,780.41-9,903.38

Finding the Fourth Proportional to 26,547.82, 39,780.41 and 9,903.38

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Solution

The fourth proportional to 26,547.82, 39,780.41 and 9,903.38 is: 14,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.82 : 39,780.41 = 9,903.38 : x
  2. Step 2: Convert to fraction form
    26,547.82/39,780.41 = 9,903.38/x
  3. Step 3: Cross multiply
    26,547.82x = 39,780.41 × 9,903.38
  4. Step 4: Simplify right side
    26,547.82x = 393,960,268.37
  5. Step 5: Solve for x
    x = 393,960,268.37/26,547.82
  6. Step 6: Final answer
    x = 14,839.65

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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.