Home / 28,746.18-43,124.50-11,879.24

Finding the Fourth Proportional to 28,746.18, 43,124.50 and 11,879.24

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Solution

The fourth proportional to 28,746.18, 43,124.50 and 11,879.24 is: 17,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.18 : 43,124.50 = 11,879.24 : x
  2. Step 2: Convert to fraction form
    28,746.18/43,124.50 = 11,879.24/x
  3. Step 3: Cross multiply
    28,746.18x = 43,124.50 × 11,879.24
  4. Step 4: Simplify right side
    28,746.18x = 512,286,040.06
  5. Step 5: Solve for x
    x = 512,286,040.06/28,746.18
  6. Step 6: Final answer
    x = 17,821.01

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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.