Home / 28,659.04-39,549.36-16,722.88

Finding the Fourth Proportional to 28,659.04, 39,549.36 and 16,722.88

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Solution

The fourth proportional to 28,659.04, 39,549.36 and 16,722.88 is: 23,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.04 : 39,549.36 = 16,722.88 : x
  2. Step 2: Convert to fraction form
    28,659.04/39,549.36 = 16,722.88/x
  3. Step 3: Cross multiply
    28,659.04x = 39,549.36 × 16,722.88
  4. Step 4: Simplify right side
    28,659.04x = 661,379,201.36
  5. Step 5: Solve for x
    x = 661,379,201.36/28,659.04
  6. Step 6: Final answer
    x = 23,077.51

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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.