Home / 28,329.04-39,093.52-15,753.52

Finding the Fourth Proportional to 28,329.04, 39,093.52 and 15,753.52

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Solution

The fourth proportional to 28,329.04, 39,093.52 and 15,753.52 is: 21,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.04 : 39,093.52 = 15,753.52 : x
  2. Step 2: Convert to fraction form
    28,329.04/39,093.52 = 15,753.52/x
  3. Step 3: Cross multiply
    28,329.04x = 39,093.52 × 15,753.52
  4. Step 4: Simplify right side
    28,329.04x = 615,860,549.19
  5. Step 5: Solve for x
    x = 615,860,549.19/28,329.04
  6. Step 6: Final answer
    x = 21,739.55

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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.