Home / 28,778.09-43,151.94-9,051.35

Finding the Fourth Proportional to 28,778.09, 43,151.94 and 9,051.35

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Solution

The fourth proportional to 28,778.09, 43,151.94 and 9,051.35 is: 13,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.09 : 43,151.94 = 9,051.35 : x
  2. Step 2: Convert to fraction form
    28,778.09/43,151.94 = 9,051.35/x
  3. Step 3: Cross multiply
    28,778.09x = 43,151.94 × 9,051.35
  4. Step 4: Simplify right side
    28,778.09x = 390,583,096.36
  5. Step 5: Solve for x
    x = 390,583,096.36/28,778.09
  6. Step 6: Final answer
    x = 13,572.24

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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.