Home / 21,994.08-32,980.20-10,887.84

Finding the Fourth Proportional to 21,994.08, 32,980.20 and 10,887.84

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Solution

The fourth proportional to 21,994.08, 32,980.20 and 10,887.84 is: 16,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.08 : 32,980.20 = 10,887.84 : x
  2. Step 2: Convert to fraction form
    21,994.08/32,980.20 = 10,887.84/x
  3. Step 3: Cross multiply
    21,994.08x = 32,980.20 × 10,887.84
  4. Step 4: Simplify right side
    21,994.08x = 359,083,140.77
  5. Step 5: Solve for x
    x = 359,083,140.77/21,994.08
  6. Step 6: Final answer
    x = 16,326.35

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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.