Home / 28,298.64-39,052.04-15,552.69

Finding the Fourth Proportional to 28,298.64, 39,052.04 and 15,552.69

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Solution

The fourth proportional to 28,298.64, 39,052.04 and 15,552.69 is: 21,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.64 : 39,052.04 = 15,552.69 : x
  2. Step 2: Convert to fraction form
    28,298.64/39,052.04 = 15,552.69/x
  3. Step 3: Cross multiply
    28,298.64x = 39,052.04 × 15,552.69
  4. Step 4: Simplify right side
    28,298.64x = 607,364,076.73
  5. Step 5: Solve for x
    x = 607,364,076.73/28,298.64
  6. Step 6: Final answer
    x = 21,462.66

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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.