Home / 21,647.22-32,421.62-16,937.88

Finding the Fourth Proportional to 21,647.22, 32,421.62 and 16,937.88

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Solution

The fourth proportional to 21,647.22, 32,421.62 and 16,937.88 is: 25,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.22 : 32,421.62 = 16,937.88 : x
  2. Step 2: Convert to fraction form
    21,647.22/32,421.62 = 16,937.88/x
  3. Step 3: Cross multiply
    21,647.22x = 32,421.62 × 16,937.88
  4. Step 4: Simplify right side
    21,647.22x = 549,153,508.97
  5. Step 5: Solve for x
    x = 549,153,508.97/21,647.22
  6. Step 6: Final answer
    x = 25,368.32

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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.