Home / 21,776.32-32,664.48-15,539.26

Finding the Fourth Proportional to 21,776.32, 32,664.48 and 15,539.26

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Solution

The fourth proportional to 21,776.32, 32,664.48 and 15,539.26 is: 23,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776.32 : 32,664.48 = 15,539.26 : x
  2. Step 2: Convert to fraction form
    21,776.32/32,664.48 = 15,539.26/x
  3. Step 3: Cross multiply
    21,776.32x = 32,664.48 × 15,539.26
  4. Step 4: Simplify right side
    21,776.32x = 507,581,847.48
  5. Step 5: Solve for x
    x = 507,581,847.48/21,776.32
  6. Step 6: Final answer
    x = 23,308.89

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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.