Home / 31,988.64-47,982.96-16,396.32

Finding the Fourth Proportional to 31,988.64, 47,982.96 and 16,396.32

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Solution

The fourth proportional to 31,988.64, 47,982.96 and 16,396.32 is: 24,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.64 : 47,982.96 = 16,396.32 : x
  2. Step 2: Convert to fraction form
    31,988.64/47,982.96 = 16,396.32/x
  3. Step 3: Cross multiply
    31,988.64x = 47,982.96 × 16,396.32
  4. Step 4: Simplify right side
    31,988.64x = 786,743,966.71
  5. Step 5: Solve for x
    x = 786,743,966.71/31,988.64
  6. Step 6: Final answer
    x = 24,594.48

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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.