Home / 21,426.02-32,145.60-9,589.76

Finding the Fourth Proportional to 21,426.02, 32,145.60 and 9,589.76

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Solution

The fourth proportional to 21,426.02, 32,145.60 and 9,589.76 is: 14,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.02 : 32,145.60 = 9,589.76 : x
  2. Step 2: Convert to fraction form
    21,426.02/32,145.60 = 9,589.76/x
  3. Step 3: Cross multiply
    21,426.02x = 32,145.60 × 9,589.76
  4. Step 4: Simplify right side
    21,426.02x = 308,268,589.06
  5. Step 5: Solve for x
    x = 308,268,589.06/21,426.02
  6. Step 6: Final answer
    x = 14,387.58

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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.