Home / 21,371.36-32,054.56-5,790.16

Finding the Fourth Proportional to 21,371.36, 32,054.56 and 5,790.16

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Solution

The fourth proportional to 21,371.36, 32,054.56 and 5,790.16 is: 8,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.36 : 32,054.56 = 5,790.16 : x
  2. Step 2: Convert to fraction form
    21,371.36/32,054.56 = 5,790.16/x
  3. Step 3: Cross multiply
    21,371.36x = 32,054.56 × 5,790.16
  4. Step 4: Simplify right side
    21,371.36x = 185,601,031.13
  5. Step 5: Solve for x
    x = 185,601,031.13/21,371.36
  6. Step 6: Final answer
    x = 8,684.57

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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.