Home / 21,390.65-32,083.52-5,597.20

Finding the Fourth Proportional to 21,390.65, 32,083.52 and 5,597.20

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Solution

The fourth proportional to 21,390.65, 32,083.52 and 5,597.20 is: 8,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.65 : 32,083.52 = 5,597.20 : x
  2. Step 2: Convert to fraction form
    21,390.65/32,083.52 = 5,597.20/x
  3. Step 3: Cross multiply
    21,390.65x = 32,083.52 × 5,597.20
  4. Step 4: Simplify right side
    21,390.65x = 179,577,890.26
  5. Step 5: Solve for x
    x = 179,577,890.26/21,390.65
  6. Step 6: Final answer
    x = 8,395.16

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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.