Home / 28,129.93-38,812.98-16,797.37

Finding the Fourth Proportional to 28,129.93, 38,812.98 and 16,797.37

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Solution

The fourth proportional to 28,129.93, 38,812.98 and 16,797.37 is: 23,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,129.93 : 38,812.98 = 16,797.37 : x
  2. Step 2: Convert to fraction form
    28,129.93/38,812.98 = 16,797.37/x
  3. Step 3: Cross multiply
    28,129.93x = 38,812.98 × 16,797.37
  4. Step 4: Simplify right side
    28,129.93x = 651,955,985.86
  5. Step 5: Solve for x
    x = 651,955,985.86/28,129.93
  6. Step 6: Final answer
    x = 23,176.59

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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.