Home / 28,852.77-43,285.64-9,132.51

Finding the Fourth Proportional to 28,852.77, 43,285.64 and 9,132.51

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Solution

The fourth proportional to 28,852.77, 43,285.64 and 9,132.51 is: 13,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.77 : 43,285.64 = 9,132.51 : x
  2. Step 2: Convert to fraction form
    28,852.77/43,285.64 = 9,132.51/x
  3. Step 3: Cross multiply
    28,852.77x = 43,285.64 × 9,132.51
  4. Step 4: Simplify right side
    28,852.77x = 395,306,540.16
  5. Step 5: Solve for x
    x = 395,306,540.16/28,852.77
  6. Step 6: Final answer
    x = 13,700.82

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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.