Home / 26,720.84-40,070.30-7,994.28

Finding the Fourth Proportional to 26,720.84, 40,070.30 and 7,994.28

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Solution

The fourth proportional to 26,720.84, 40,070.30 and 7,994.28 is: 11,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.84 : 40,070.30 = 7,994.28 : x
  2. Step 2: Convert to fraction form
    26,720.84/40,070.30 = 7,994.28/x
  3. Step 3: Cross multiply
    26,720.84x = 40,070.30 × 7,994.28
  4. Step 4: Simplify right side
    26,720.84x = 320,333,197.88
  5. Step 5: Solve for x
    x = 320,333,197.88/26,720.84
  6. Step 6: Final answer
    x = 11,988.14

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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.