Home / 28,698.96-39,604.29-15,951.81

Finding the Fourth Proportional to 28,698.96, 39,604.29 and 15,951.81

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Solution

The fourth proportional to 28,698.96, 39,604.29 and 15,951.81 is: 22,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.96 : 39,604.29 = 15,951.81 : x
  2. Step 2: Convert to fraction form
    28,698.96/39,604.29 = 15,951.81/x
  3. Step 3: Cross multiply
    28,698.96x = 39,604.29 × 15,951.81
  4. Step 4: Simplify right side
    28,698.96x = 631,759,911.24
  5. Step 5: Solve for x
    x = 631,759,911.24/28,698.96
  6. Step 6: Final answer
    x = 22,013.34

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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.