Home / 26,311.52-39,467.63-8,781.35

Finding the Fourth Proportional to 26,311.52, 39,467.63 and 8,781.35

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Solution

The fourth proportional to 26,311.52, 39,467.63 and 8,781.35 is: 13,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.52 : 39,467.63 = 8,781.35 : x
  2. Step 2: Convert to fraction form
    26,311.52/39,467.63 = 8,781.35/x
  3. Step 3: Cross multiply
    26,311.52x = 39,467.63 × 8,781.35
  4. Step 4: Simplify right side
    26,311.52x = 346,578,897.32
  5. Step 5: Solve for x
    x = 346,578,897.32/26,311.52
  6. Step 6: Final answer
    x = 13,172.13

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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.