Home / 28,265.64-39,002.04-16,330.56

Finding the Fourth Proportional to 28,265.64, 39,002.04 and 16,330.56

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Solution

The fourth proportional to 28,265.64, 39,002.04 and 16,330.56 is: 22,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.64 : 39,002.04 = 16,330.56 : x
  2. Step 2: Convert to fraction form
    28,265.64/39,002.04 = 16,330.56/x
  3. Step 3: Cross multiply
    28,265.64x = 39,002.04 × 16,330.56
  4. Step 4: Simplify right side
    28,265.64x = 636,925,154.34
  5. Step 5: Solve for x
    x = 636,925,154.34/28,265.64
  6. Step 6: Final answer
    x = 22,533.55

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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.