Home / 26,516.58-39,790.38-9,888.10

Finding the Fourth Proportional to 26,516.58, 39,790.38 and 9,888.10

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Solution

The fourth proportional to 26,516.58, 39,790.38 and 9,888.10 is: 14,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.58 : 39,790.38 = 9,888.10 : x
  2. Step 2: Convert to fraction form
    26,516.58/39,790.38 = 9,888.10/x
  3. Step 3: Cross multiply
    26,516.58x = 39,790.38 × 9,888.10
  4. Step 4: Simplify right side
    26,516.58x = 393,451,256.48
  5. Step 5: Solve for x
    x = 393,451,256.48/26,516.58
  6. Step 6: Final answer
    x = 14,837.93

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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.