Home / 21,570.22-32,355.51-5,989.06

Finding the Fourth Proportional to 21,570.22, 32,355.51 and 5,989.06

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Solution

The fourth proportional to 21,570.22, 32,355.51 and 5,989.06 is: 8,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.22 : 32,355.51 = 5,989.06 : x
  2. Step 2: Convert to fraction form
    21,570.22/32,355.51 = 5,989.06/x
  3. Step 3: Cross multiply
    21,570.22x = 32,355.51 × 5,989.06
  4. Step 4: Simplify right side
    21,570.22x = 193,779,090.72
  5. Step 5: Solve for x
    x = 193,779,090.72/21,570.22
  6. Step 6: Final answer
    x = 8,983.64

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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.