Home / 21,509.15-32,252.64-9,652.76

Finding the Fourth Proportional to 21,509.15, 32,252.64 and 9,652.76

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Solution

The fourth proportional to 21,509.15, 32,252.64 and 9,652.76 is: 14,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.15 : 32,252.64 = 9,652.76 : x
  2. Step 2: Convert to fraction form
    21,509.15/32,252.64 = 9,652.76/x
  3. Step 3: Cross multiply
    21,509.15x = 32,252.64 × 9,652.76
  4. Step 4: Simplify right side
    21,509.15x = 311,326,825.57
  5. Step 5: Solve for x
    x = 311,326,825.57/21,509.15
  6. Step 6: Final answer
    x = 14,474.16

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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.