Home / 21,343.51-32,015.74-5,549.16

Finding the Fourth Proportional to 21,343.51, 32,015.74 and 5,549.16

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Solution

The fourth proportional to 21,343.51, 32,015.74 and 5,549.16 is: 8,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.51 : 32,015.74 = 5,549.16 : x
  2. Step 2: Convert to fraction form
    21,343.51/32,015.74 = 5,549.16/x
  3. Step 3: Cross multiply
    21,343.51x = 32,015.74 × 5,549.16
  4. Step 4: Simplify right side
    21,343.51x = 177,660,463.78
  5. Step 5: Solve for x
    x = 177,660,463.78/21,343.51
  6. Step 6: Final answer
    x = 8,323.86

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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.