Home / 28,164.66-42,256.73-16,328.72

Finding the Fourth Proportional to 28,164.66, 42,256.73 and 16,328.72

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Solution

The fourth proportional to 28,164.66, 42,256.73 and 16,328.72 is: 24,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.66 : 42,256.73 = 16,328.72 : x
  2. Step 2: Convert to fraction form
    28,164.66/42,256.73 = 16,328.72/x
  3. Step 3: Cross multiply
    28,164.66x = 42,256.73 × 16,328.72
  4. Step 4: Simplify right side
    28,164.66x = 689,998,101.00
  5. Step 5: Solve for x
    x = 689,998,101.00/28,164.66
  6. Step 6: Final answer
    x = 24,498.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.