Home / 28,298.64-39,052.02-15,552.66

Finding the Fourth Proportional to 28,298.64, 39,052.02 and 15,552.66

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Solution

The fourth proportional to 28,298.64, 39,052.02 and 15,552.66 is: 21,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.64 : 39,052.02 = 15,552.66 : x
  2. Step 2: Convert to fraction form
    28,298.64/39,052.02 = 15,552.66/x
  3. Step 3: Cross multiply
    28,298.64x = 39,052.02 × 15,552.66
  4. Step 4: Simplify right side
    28,298.64x = 607,362,789.37
  5. Step 5: Solve for x
    x = 607,362,789.37/28,298.64
  6. Step 6: Final answer
    x = 21,462.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.