Home / 28,343.96-39,113.58-15,596.38

Finding the Fourth Proportional to 28,343.96, 39,113.58 and 15,596.38

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Solution

The fourth proportional to 28,343.96, 39,113.58 and 15,596.38 is: 21,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343.96 : 39,113.58 = 15,596.38 : x
  2. Step 2: Convert to fraction form
    28,343.96/39,113.58 = 15,596.38/x
  3. Step 3: Cross multiply
    28,343.96x = 39,113.58 × 15,596.38
  4. Step 4: Simplify right side
    28,343.96x = 610,030,364.22
  5. Step 5: Solve for x
    x = 610,030,364.22/28,343.96
  6. Step 6: Final answer
    x = 21,522.41

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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.