Home / 21,632.66-32,495.08-20,368.64

Finding the Fourth Proportional to 21,632.66, 32,495.08 and 20,368.64

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Solution

The fourth proportional to 21,632.66, 32,495.08 and 20,368.64 is: 30,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.66 : 32,495.08 = 20,368.64 : x
  2. Step 2: Convert to fraction form
    21,632.66/32,495.08 = 20,368.64/x
  3. Step 3: Cross multiply
    21,632.66x = 32,495.08 × 20,368.64
  4. Step 4: Simplify right side
    21,632.66x = 661,880,586.29
  5. Step 5: Solve for x
    x = 661,880,586.29/21,632.66
  6. Step 6: Final answer
    x = 30,596.36

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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.