Home / 21,549.95-32,328.36-7,514.01

Finding the Fourth Proportional to 21,549.95, 32,328.36 and 7,514.01

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Solution

The fourth proportional to 21,549.95, 32,328.36 and 7,514.01 is: 11,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549.95 : 32,328.36 = 7,514.01 : x
  2. Step 2: Convert to fraction form
    21,549.95/32,328.36 = 7,514.01/x
  3. Step 3: Cross multiply
    21,549.95x = 32,328.36 × 7,514.01
  4. Step 4: Simplify right side
    21,549.95x = 242,915,620.32
  5. Step 5: Solve for x
    x = 242,915,620.32/21,549.95
  6. Step 6: Final answer
    x = 11,272.22

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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.