Home / 28,334.44-39,099.98-15,585.57

Finding the Fourth Proportional to 28,334.44, 39,099.98 and 15,585.57

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Solution

The fourth proportional to 28,334.44, 39,099.98 and 15,585.57 is: 21,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.44 : 39,099.98 = 15,585.57 : x
  2. Step 2: Convert to fraction form
    28,334.44/39,099.98 = 15,585.57/x
  3. Step 3: Cross multiply
    28,334.44x = 39,099.98 × 15,585.57
  4. Step 4: Simplify right side
    28,334.44x = 609,395,378.52
  5. Step 5: Solve for x
    x = 609,395,378.52/28,334.44
  6. Step 6: Final answer
    x = 21,507.23

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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.