Home / 21,486.80-32,214.53-14,449.32

Finding the Fourth Proportional to 21,486.80, 32,214.53 and 14,449.32

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Solution

The fourth proportional to 21,486.80, 32,214.53 and 14,449.32 is: 21,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.80 : 32,214.53 = 14,449.32 : x
  2. Step 2: Convert to fraction form
    21,486.80/32,214.53 = 14,449.32/x
  3. Step 3: Cross multiply
    21,486.80x = 32,214.53 × 14,449.32
  4. Step 4: Simplify right side
    21,486.80x = 465,478,088.74
  5. Step 5: Solve for x
    x = 465,478,088.74/21,486.80
  6. Step 6: Final answer
    x = 21,663.44

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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.