Home / 21,385.38-32,074.29-5,804.22

Finding the Fourth Proportional to 21,385.38, 32,074.29 and 5,804.22

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Solution

The fourth proportional to 21,385.38, 32,074.29 and 5,804.22 is: 8,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.38 : 32,074.29 = 5,804.22 : x
  2. Step 2: Convert to fraction form
    21,385.38/32,074.29 = 5,804.22/x
  3. Step 3: Cross multiply
    21,385.38x = 32,074.29 × 5,804.22
  4. Step 4: Simplify right side
    21,385.38x = 186,166,235.50
  5. Step 5: Solve for x
    x = 186,166,235.50/21,385.38
  6. Step 6: Final answer
    x = 8,705.30

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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.