Home / 26,417.89-39,629.28-9,555.12

Finding the Fourth Proportional to 26,417.89, 39,629.28 and 9,555.12

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Solution

The fourth proportional to 26,417.89, 39,629.28 and 9,555.12 is: 14,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,417.89 : 39,629.28 = 9,555.12 : x
  2. Step 2: Convert to fraction form
    26,417.89/39,629.28 = 9,555.12/x
  3. Step 3: Cross multiply
    26,417.89x = 39,629.28 × 9,555.12
  4. Step 4: Simplify right side
    26,417.89x = 378,662,525.91
  5. Step 5: Solve for x
    x = 378,662,525.91/26,417.89
  6. Step 6: Final answer
    x = 14,333.56

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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.