Home / 28,814.60-43,221.90-9,094.68

Finding the Fourth Proportional to 28,814.60, 43,221.90 and 9,094.68

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Solution

The fourth proportional to 28,814.60, 43,221.90 and 9,094.68 is: 13,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.60 : 43,221.90 = 9,094.68 : x
  2. Step 2: Convert to fraction form
    28,814.60/43,221.90 = 9,094.68/x
  3. Step 3: Cross multiply
    28,814.60x = 43,221.90 × 9,094.68
  4. Step 4: Simplify right side
    28,814.60x = 393,089,349.49
  5. Step 5: Solve for x
    x = 393,089,349.49/28,814.60
  6. Step 6: Final answer
    x = 13,642.02

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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.