Home / 21,455.22-32,185.00-5,661.35

Finding the Fourth Proportional to 21,455.22, 32,185.00 and 5,661.35

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Solution

The fourth proportional to 21,455.22, 32,185.00 and 5,661.35 is: 8,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.22 : 32,185.00 = 5,661.35 : x
  2. Step 2: Convert to fraction form
    21,455.22/32,185.00 = 5,661.35/x
  3. Step 3: Cross multiply
    21,455.22x = 32,185.00 × 5,661.35
  4. Step 4: Simplify right side
    21,455.22x = 182,210,374.67
  5. Step 5: Solve for x
    x = 182,210,374.67/21,455.22
  6. Step 6: Final answer
    x = 8,492.59

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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.