Home / 28,984.57-40,001.24-16,237.55

Finding the Fourth Proportional to 28,984.57, 40,001.24 and 16,237.55

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Solution

The fourth proportional to 28,984.57, 40,001.24 and 16,237.55 is: 22,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.57 : 40,001.24 = 16,237.55 : x
  2. Step 2: Convert to fraction form
    28,984.57/40,001.24 = 16,237.55/x
  3. Step 3: Cross multiply
    28,984.57x = 40,001.24 × 16,237.55
  4. Step 4: Simplify right side
    28,984.57x = 649,521,853.37
  5. Step 5: Solve for x
    x = 649,521,853.37/28,984.57
  6. Step 6: Final answer
    x = 22,409.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.