Home / 21,741.36-32,617.02-7,890.36

Finding the Fourth Proportional to 21,741.36, 32,617.02 and 7,890.36

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Solution

The fourth proportional to 21,741.36, 32,617.02 and 7,890.36 is: 11,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.36 : 32,617.02 = 7,890.36 : x
  2. Step 2: Convert to fraction form
    21,741.36/32,617.02 = 7,890.36/x
  3. Step 3: Cross multiply
    21,741.36x = 32,617.02 × 7,890.36
  4. Step 4: Simplify right side
    21,741.36x = 257,360,029.93
  5. Step 5: Solve for x
    x = 257,360,029.93/21,741.36
  6. Step 6: Final answer
    x = 11,837.35

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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.