Home / 28,629.17-39,503.93-16,363.68

Finding the Fourth Proportional to 28,629.17, 39,503.93 and 16,363.68

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Solution

The fourth proportional to 28,629.17, 39,503.93 and 16,363.68 is: 22,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.17 : 39,503.93 = 16,363.68 : x
  2. Step 2: Convert to fraction form
    28,629.17/39,503.93 = 16,363.68/x
  3. Step 3: Cross multiply
    28,629.17x = 39,503.93 × 16,363.68
  4. Step 4: Simplify right side
    28,629.17x = 646,429,669.26
  5. Step 5: Solve for x
    x = 646,429,669.26/28,629.17
  6. Step 6: Final answer
    x = 22,579.41

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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.