Home / 28,339.55-39,113.48-16,409.47

Finding the Fourth Proportional to 28,339.55, 39,113.48 and 16,409.47

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Solution

The fourth proportional to 28,339.55, 39,113.48 and 16,409.47 is: 22,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.55 : 39,113.48 = 16,409.47 : x
  2. Step 2: Convert to fraction form
    28,339.55/39,113.48 = 16,409.47/x
  3. Step 3: Cross multiply
    28,339.55x = 39,113.48 × 16,409.47
  4. Step 4: Simplify right side
    28,339.55x = 641,831,476.66
  5. Step 5: Solve for x
    x = 641,831,476.66/28,339.55
  6. Step 6: Final answer
    x = 22,647.91

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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.