Home / 28,749.53-43,109.71-13,153.79

Finding the Fourth Proportional to 28,749.53, 43,109.71 and 13,153.79

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Solution

The fourth proportional to 28,749.53, 43,109.71 and 13,153.79 is: 19,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.53 : 43,109.71 = 13,153.79 : x
  2. Step 2: Convert to fraction form
    28,749.53/43,109.71 = 13,153.79/x
  3. Step 3: Cross multiply
    28,749.53x = 43,109.71 × 13,153.79
  4. Step 4: Simplify right side
    28,749.53x = 567,056,147.19
  5. Step 5: Solve for x
    x = 567,056,147.19/28,749.53
  6. Step 6: Final answer
    x = 19,724.01

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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.