Home / 21,626.65-32,486.07-20,362.64

Finding the Fourth Proportional to 21,626.65, 32,486.07 and 20,362.64

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Solution

The fourth proportional to 21,626.65, 32,486.07 and 20,362.64 is: 30,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.65 : 32,486.07 = 20,362.64 : x
  2. Step 2: Convert to fraction form
    21,626.65/32,486.07 = 20,362.64/x
  3. Step 3: Cross multiply
    21,626.65x = 32,486.07 × 20,362.64
  4. Step 4: Simplify right side
    21,626.65x = 661,502,148.42
  5. Step 5: Solve for x
    x = 661,502,148.42/21,626.65
  6. Step 6: Final answer
    x = 30,587.36

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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.