Home / 28,586.02-42,905.42-14,556.18

Finding the Fourth Proportional to 28,586.02, 42,905.42 and 14,556.18

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Solution

The fourth proportional to 28,586.02, 42,905.42 and 14,556.18 is: 21,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.02 : 42,905.42 = 14,556.18 : x
  2. Step 2: Convert to fraction form
    28,586.02/42,905.42 = 14,556.18/x
  3. Step 3: Cross multiply
    28,586.02x = 42,905.42 × 14,556.18
  4. Step 4: Simplify right side
    28,586.02x = 624,539,016.50
  5. Step 5: Solve for x
    x = 624,539,016.50/28,586.02
  6. Step 6: Final answer
    x = 21,847.71

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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.