Home / 21,263.20-31,837.20-16,655.20

Finding the Fourth Proportional to 21,263.20, 31,837.20 and 16,655.20

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Solution

The fourth proportional to 21,263.20, 31,837.20 and 16,655.20 is: 24,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.20 : 31,837.20 = 16,655.20 : x
  2. Step 2: Convert to fraction form
    21,263.20/31,837.20 = 16,655.20/x
  3. Step 3: Cross multiply
    21,263.20x = 31,837.20 × 16,655.20
  4. Step 4: Simplify right side
    21,263.20x = 530,254,933.44
  5. Step 5: Solve for x
    x = 530,254,933.44/21,263.20
  6. Step 6: Final answer
    x = 24,937.68

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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.