Home / 26,421.77-39,621.13-9,994.25

Finding the Fourth Proportional to 26,421.77, 39,621.13 and 9,994.25

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Solution

The fourth proportional to 26,421.77, 39,621.13 and 9,994.25 is: 14,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.77 : 39,621.13 = 9,994.25 : x
  2. Step 2: Convert to fraction form
    26,421.77/39,621.13 = 9,994.25/x
  3. Step 3: Cross multiply
    26,421.77x = 39,621.13 × 9,994.25
  4. Step 4: Simplify right side
    26,421.77x = 395,983,478.50
  5. Step 5: Solve for x
    x = 395,983,478.50/26,421.77
  6. Step 6: Final answer
    x = 14,987.02

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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.