Home / 21,738.65-32,618.90-16,203.11

Finding the Fourth Proportional to 21,738.65, 32,618.90 and 16,203.11

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Solution

The fourth proportional to 21,738.65, 32,618.90 and 16,203.11 is: 24,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.65 : 32,618.90 = 16,203.11 : x
  2. Step 2: Convert to fraction form
    21,738.65/32,618.90 = 16,203.11/x
  3. Step 3: Cross multiply
    21,738.65x = 32,618.90 × 16,203.11
  4. Step 4: Simplify right side
    21,738.65x = 528,527,502.19
  5. Step 5: Solve for x
    x = 528,527,502.19/21,738.65
  6. Step 6: Final answer
    x = 24,312.81

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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.