Home / 28,497.40-39,317.70-16,558.45

Finding the Fourth Proportional to 28,497.40, 39,317.70 and 16,558.45

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Solution

The fourth proportional to 28,497.40, 39,317.70 and 16,558.45 is: 22,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.40 : 39,317.70 = 16,558.45 : x
  2. Step 2: Convert to fraction form
    28,497.40/39,317.70 = 16,558.45/x
  3. Step 3: Cross multiply
    28,497.40x = 39,317.70 × 16,558.45
  4. Step 4: Simplify right side
    28,497.40x = 651,040,169.57
  5. Step 5: Solve for x
    x = 651,040,169.57/28,497.40
  6. Step 6: Final answer
    x = 22,845.60

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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.