Home / 21,534.47-32,289.27-8,371.45

Finding the Fourth Proportional to 21,534.47, 32,289.27 and 8,371.45

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Solution

The fourth proportional to 21,534.47, 32,289.27 and 8,371.45 is: 12,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.47 : 32,289.27 = 8,371.45 : x
  2. Step 2: Convert to fraction form
    21,534.47/32,289.27 = 8,371.45/x
  3. Step 3: Cross multiply
    21,534.47x = 32,289.27 × 8,371.45
  4. Step 4: Simplify right side
    21,534.47x = 270,308,009.34
  5. Step 5: Solve for x
    x = 270,308,009.34/21,534.47
  6. Step 6: Final answer
    x = 12,552.34

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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.