Home / 28,164.24-38,865.88-16,064.45

Finding the Fourth Proportional to 28,164.24, 38,865.88 and 16,064.45

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Solution

The fourth proportional to 28,164.24, 38,865.88 and 16,064.45 is: 22,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.24 : 38,865.88 = 16,064.45 : x
  2. Step 2: Convert to fraction form
    28,164.24/38,865.88 = 16,064.45/x
  3. Step 3: Cross multiply
    28,164.24x = 38,865.88 × 16,064.45
  4. Step 4: Simplify right side
    28,164.24x = 624,358,985.97
  5. Step 5: Solve for x
    x = 624,358,985.97/28,164.24
  6. Step 6: Final answer
    x = 22,168.50

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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.