Home / 21,341.95-32,009.89-11,727.81

Finding the Fourth Proportional to 21,341.95, 32,009.89 and 11,727.81

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Solution

The fourth proportional to 21,341.95, 32,009.89 and 11,727.81 is: 17,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.95 : 32,009.89 = 11,727.81 : x
  2. Step 2: Convert to fraction form
    21,341.95/32,009.89 = 11,727.81/x
  3. Step 3: Cross multiply
    21,341.95x = 32,009.89 × 11,727.81
  4. Step 4: Simplify right side
    21,341.95x = 375,405,758.68
  5. Step 5: Solve for x
    x = 375,405,758.68/21,341.95
  6. Step 6: Final answer
    x = 17,590.04

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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.