Home / 28,087.26-38,762.46-16,154.34

Finding the Fourth Proportional to 28,087.26, 38,762.46 and 16,154.34

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Solution

The fourth proportional to 28,087.26, 38,762.46 and 16,154.34 is: 22,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.26 : 38,762.46 = 16,154.34 : x
  2. Step 2: Convert to fraction form
    28,087.26/38,762.46 = 16,154.34/x
  3. Step 3: Cross multiply
    28,087.26x = 38,762.46 × 16,154.34
  4. Step 4: Simplify right side
    28,087.26x = 626,181,958.08
  5. Step 5: Solve for x
    x = 626,181,958.08/28,087.26
  6. Step 6: Final answer
    x = 22,294.16

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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.