Home / 28,854.58-43,281.87-15,732.58

Finding the Fourth Proportional to 28,854.58, 43,281.87 and 15,732.58

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Solution

The fourth proportional to 28,854.58, 43,281.87 and 15,732.58 is: 23,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.58 : 43,281.87 = 15,732.58 : x
  2. Step 2: Convert to fraction form
    28,854.58/43,281.87 = 15,732.58/x
  3. Step 3: Cross multiply
    28,854.58x = 43,281.87 × 15,732.58
  4. Step 4: Simplify right side
    28,854.58x = 680,935,482.32
  5. Step 5: Solve for x
    x = 680,935,482.32/28,854.58
  6. Step 6: Final answer
    x = 23,598.87

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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.