Home / 28,890.23-43,257.11-15,010.07

Finding the Fourth Proportional to 28,890.23, 43,257.11 and 15,010.07

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Solution

The fourth proportional to 28,890.23, 43,257.11 and 15,010.07 is: 22,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.23 : 43,257.11 = 15,010.07 : x
  2. Step 2: Convert to fraction form
    28,890.23/43,257.11 = 15,010.07/x
  3. Step 3: Cross multiply
    28,890.23x = 43,257.11 × 15,010.07
  4. Step 4: Simplify right side
    28,890.23x = 649,291,957.76
  5. Step 5: Solve for x
    x = 649,291,957.76/28,890.23
  6. Step 6: Final answer
    x = 22,474.45

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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.