Home / 21,539.52-32,317.62-10,445.40

Finding the Fourth Proportional to 21,539.52, 32,317.62 and 10,445.40

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Solution

The fourth proportional to 21,539.52, 32,317.62 and 10,445.40 is: 15,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.52 : 32,317.62 = 10,445.40 : x
  2. Step 2: Convert to fraction form
    21,539.52/32,317.62 = 10,445.40/x
  3. Step 3: Cross multiply
    21,539.52x = 32,317.62 × 10,445.40
  4. Step 4: Simplify right side
    21,539.52x = 337,570,467.95
  5. Step 5: Solve for x
    x = 337,570,467.95/21,539.52
  6. Step 6: Final answer
    x = 15,672.14

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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.