Home / 28,814.36-43,143.60-14,934.20

Finding the Fourth Proportional to 28,814.36, 43,143.60 and 14,934.20

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Solution

The fourth proportional to 28,814.36, 43,143.60 and 14,934.20 is: 22,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.36 : 43,143.60 = 14,934.20 : x
  2. Step 2: Convert to fraction form
    28,814.36/43,143.60 = 14,934.20/x
  3. Step 3: Cross multiply
    28,814.36x = 43,143.60 × 14,934.20
  4. Step 4: Simplify right side
    28,814.36x = 644,315,151.12
  5. Step 5: Solve for x
    x = 644,315,151.12/28,814.36
  6. Step 6: Final answer
    x = 22,360.90

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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.