Home / 28,964.75-39,973.83-16,391.93

Finding the Fourth Proportional to 28,964.75, 39,973.83 and 16,391.93

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Solution

The fourth proportional to 28,964.75, 39,973.83 and 16,391.93 is: 22,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.75 : 39,973.83 = 16,391.93 : x
  2. Step 2: Convert to fraction form
    28,964.75/39,973.83 = 16,391.93/x
  3. Step 3: Cross multiply
    28,964.75x = 39,973.83 × 16,391.93
  4. Step 4: Simplify right side
    28,964.75x = 655,248,223.19
  5. Step 5: Solve for x
    x = 655,248,223.19/28,964.75
  6. Step 6: Final answer
    x = 22,622.26

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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.