Home / 26,145.32-39,223.58-7,431.08

Finding the Fourth Proportional to 26,145.32, 39,223.58 and 7,431.08

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Solution

The fourth proportional to 26,145.32, 39,223.58 and 7,431.08 is: 11,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.32 : 39,223.58 = 7,431.08 : x
  2. Step 2: Convert to fraction form
    26,145.32/39,223.58 = 7,431.08/x
  3. Step 3: Cross multiply
    26,145.32x = 39,223.58 × 7,431.08
  4. Step 4: Simplify right side
    26,145.32x = 291,473,327.59
  5. Step 5: Solve for x
    x = 291,473,327.59/26,145.32
  6. Step 6: Final answer
    x = 11,148.20

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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.