Home / 28,746.54-43,102.53-10,978.38

Finding the Fourth Proportional to 28,746.54, 43,102.53 and 10,978.38

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Solution

The fourth proportional to 28,746.54, 43,102.53 and 10,978.38 is: 16,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.54 : 43,102.53 = 10,978.38 : x
  2. Step 2: Convert to fraction form
    28,746.54/43,102.53 = 10,978.38/x
  3. Step 3: Cross multiply
    28,746.54x = 43,102.53 × 10,978.38
  4. Step 4: Simplify right side
    28,746.54x = 473,195,953.30
  5. Step 5: Solve for x
    x = 473,195,953.30/28,746.54
  6. Step 6: Final answer
    x = 16,460.97

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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.