Home / 23,549.12-32,498.40-12,939.32

Finding the Fourth Proportional to 23,549.12, 32,498.40 and 12,939.32

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Solution

The fourth proportional to 23,549.12, 32,498.40 and 12,939.32 is: 17,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,549.12 : 32,498.40 = 12,939.32 : x
  2. Step 2: Convert to fraction form
    23,549.12/32,498.40 = 12,939.32/x
  3. Step 3: Cross multiply
    23,549.12x = 32,498.40 × 12,939.32
  4. Step 4: Simplify right side
    23,549.12x = 420,507,197.09
  5. Step 5: Solve for x
    x = 420,507,197.09/23,549.12
  6. Step 6: Final answer
    x = 17,856.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.