Home / 28,478.46-39,297.36-16,544.32

Finding the Fourth Proportional to 28,478.46, 39,297.36 and 16,544.32

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Solution

The fourth proportional to 28,478.46, 39,297.36 and 16,544.32 is: 22,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,478.46 : 39,297.36 = 16,544.32 : x
  2. Step 2: Convert to fraction form
    28,478.46/39,297.36 = 16,544.32/x
  3. Step 3: Cross multiply
    28,478.46x = 39,297.36 × 16,544.32
  4. Step 4: Simplify right side
    28,478.46x = 650,148,099.00
  5. Step 5: Solve for x
    x = 650,148,099.00/28,478.46
  6. Step 6: Final answer
    x = 22,829.47

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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.