Home / 28,749.93-43,110.31-13,154.19

Finding the Fourth Proportional to 28,749.93, 43,110.31 and 13,154.19

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Solution

The fourth proportional to 28,749.93, 43,110.31 and 13,154.19 is: 19,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.93 : 43,110.31 = 13,154.19 : x
  2. Step 2: Convert to fraction form
    28,749.93/43,110.31 = 13,154.19/x
  3. Step 3: Cross multiply
    28,749.93x = 43,110.31 × 13,154.19
  4. Step 4: Simplify right side
    28,749.93x = 567,081,068.04
  5. Step 5: Solve for x
    x = 567,081,068.04/28,749.93
  6. Step 6: Final answer
    x = 19,724.61

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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.