Home / 21,589.86-32,362.91-10,487.19

Finding the Fourth Proportional to 21,589.86, 32,362.91 and 10,487.19

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Solution

The fourth proportional to 21,589.86, 32,362.91 and 10,487.19 is: 15,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.86 : 32,362.91 = 10,487.19 : x
  2. Step 2: Convert to fraction form
    21,589.86/32,362.91 = 10,487.19/x
  3. Step 3: Cross multiply
    21,589.86x = 32,362.91 × 10,487.19
  4. Step 4: Simplify right side
    21,589.86x = 339,395,986.12
  5. Step 5: Solve for x
    x = 339,395,986.12/21,589.86
  6. Step 6: Final answer
    x = 15,720.16

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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.