Home / 31,546.08-47,260.80-15,926.40

Finding the Fourth Proportional to 31,546.08, 47,260.80 and 15,926.40

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Solution

The fourth proportional to 31,546.08, 47,260.80 and 15,926.40 is: 23,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.08 : 47,260.80 = 15,926.40 : x
  2. Step 2: Convert to fraction form
    31,546.08/47,260.80 = 15,926.40/x
  3. Step 3: Cross multiply
    31,546.08x = 47,260.80 × 15,926.40
  4. Step 4: Simplify right side
    31,546.08x = 752,694,405.12
  5. Step 5: Solve for x
    x = 752,694,405.12/31,546.08
  6. Step 6: Final answer
    x = 23,860.16

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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.