Home / 26,008.64-39,008.91-8,478.35

Finding the Fourth Proportional to 26,008.64, 39,008.91 and 8,478.35

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Solution

The fourth proportional to 26,008.64, 39,008.91 and 8,478.35 is: 12,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,008.64 : 39,008.91 = 8,478.35 : x
  2. Step 2: Convert to fraction form
    26,008.64/39,008.91 = 8,478.35/x
  3. Step 3: Cross multiply
    26,008.64x = 39,008.91 × 8,478.35
  4. Step 4: Simplify right side
    26,008.64x = 330,731,192.10
  5. Step 5: Solve for x
    x = 330,731,192.10/26,008.64
  6. Step 6: Final answer
    x = 12,716.20

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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.