Home / 21,340.88-32,002.76-8,852.40

Finding the Fourth Proportional to 21,340.88, 32,002.76 and 8,852.40

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Solution

The fourth proportional to 21,340.88, 32,002.76 and 8,852.40 is: 13,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.88 : 32,002.76 = 8,852.40 : x
  2. Step 2: Convert to fraction form
    21,340.88/32,002.76 = 8,852.40/x
  3. Step 3: Cross multiply
    21,340.88x = 32,002.76 × 8,852.40
  4. Step 4: Simplify right side
    21,340.88x = 283,301,232.62
  5. Step 5: Solve for x
    x = 283,301,232.62/21,340.88
  6. Step 6: Final answer
    x = 13,275.05

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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.