Home / 28,749.90-43,035.66-15,569.58

Finding the Fourth Proportional to 28,749.90, 43,035.66 and 15,569.58

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Solution

The fourth proportional to 28,749.90, 43,035.66 and 15,569.58 is: 23,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.90 : 43,035.66 = 15,569.58 : x
  2. Step 2: Convert to fraction form
    28,749.90/43,035.66 = 15,569.58/x
  3. Step 3: Cross multiply
    28,749.90x = 43,035.66 × 15,569.58
  4. Step 4: Simplify right side
    28,749.90x = 670,047,151.22
  5. Step 5: Solve for x
    x = 670,047,151.22/28,749.90
  6. Step 6: Final answer
    x = 23,306.07

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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.