Home / 28,823.52-43,248.72-28,357.60

Finding the Fourth Proportional to 28,823.52, 43,248.72 and 28,357.60

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Solution

The fourth proportional to 28,823.52, 43,248.72 and 28,357.60 is: 42,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.52 : 43,248.72 = 28,357.60 : x
  2. Step 2: Convert to fraction form
    28,823.52/43,248.72 = 28,357.60/x
  3. Step 3: Cross multiply
    28,823.52x = 43,248.72 × 28,357.60
  4. Step 4: Simplify right side
    28,823.52x = 1,226,429,902.27
  5. Step 5: Solve for x
    x = 1,226,429,902.27/28,823.52
  6. Step 6: Final answer
    x = 42,549.62

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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.