Home / 28,566.02-42,848.57-7,789.52

Finding the Fourth Proportional to 28,566.02, 42,848.57 and 7,789.52

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Solution

The fourth proportional to 28,566.02, 42,848.57 and 7,789.52 is: 11,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.02 : 42,848.57 = 7,789.52 : x
  2. Step 2: Convert to fraction form
    28,566.02/42,848.57 = 7,789.52/x
  3. Step 3: Cross multiply
    28,566.02x = 42,848.57 × 7,789.52
  4. Step 4: Simplify right side
    28,566.02x = 333,769,656.65
  5. Step 5: Solve for x
    x = 333,769,656.65/28,566.02
  6. Step 6: Final answer
    x = 11,684.15

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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.