Home / 31,904.72-47,813.28-16,289.60

Finding the Fourth Proportional to 31,904.72, 47,813.28 and 16,289.60

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Solution

The fourth proportional to 31,904.72, 47,813.28 and 16,289.60 is: 24,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,904.72 : 47,813.28 = 16,289.60 : x
  2. Step 2: Convert to fraction form
    31,904.72/47,813.28 = 16,289.60/x
  3. Step 3: Cross multiply
    31,904.72x = 47,813.28 × 16,289.60
  4. Step 4: Simplify right side
    31,904.72x = 778,859,205.89
  5. Step 5: Solve for x
    x = 778,859,205.89/31,904.72
  6. Step 6: Final answer
    x = 24,412.04

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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.