Home / 28,917.72-39,904.48-16,341.64

Finding the Fourth Proportional to 28,917.72, 39,904.48 and 16,341.64

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Solution

The fourth proportional to 28,917.72, 39,904.48 and 16,341.64 is: 22,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.72 : 39,904.48 = 16,341.64 : x
  2. Step 2: Convert to fraction form
    28,917.72/39,904.48 = 16,341.64/x
  3. Step 3: Cross multiply
    28,917.72x = 39,904.48 × 16,341.64
  4. Step 4: Simplify right side
    28,917.72x = 652,104,646.55
  5. Step 5: Solve for x
    x = 652,104,646.55/28,917.72
  6. Step 6: Final answer
    x = 22,550.35

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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.