Home / 21,630.29-32,465.48-13,326.53

Finding the Fourth Proportional to 21,630.29, 32,465.48 and 13,326.53

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Solution

The fourth proportional to 21,630.29, 32,465.48 and 13,326.53 is: 20,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.29 : 32,465.48 = 13,326.53 : x
  2. Step 2: Convert to fraction form
    21,630.29/32,465.48 = 13,326.53/x
  3. Step 3: Cross multiply
    21,630.29x = 32,465.48 × 13,326.53
  4. Step 4: Simplify right side
    21,630.29x = 432,651,964.22
  5. Step 5: Solve for x
    x = 432,651,964.22/21,630.29
  6. Step 6: Final answer
    x = 20,002.14

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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.