Home / 28,749.78-43,124.86-10,029.74

Finding the Fourth Proportional to 28,749.78, 43,124.86 and 10,029.74

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Solution

The fourth proportional to 28,749.78, 43,124.86 and 10,029.74 is: 15,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.78 : 43,124.86 = 10,029.74 : x
  2. Step 2: Convert to fraction form
    28,749.78/43,124.86 = 10,029.74/x
  3. Step 3: Cross multiply
    28,749.78x = 43,124.86 × 10,029.74
  4. Step 4: Simplify right side
    28,749.78x = 432,531,133.34
  5. Step 5: Solve for x
    x = 432,531,133.34/28,749.78
  6. Step 6: Final answer
    x = 15,044.68

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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.