Home / 28,673.08-42,989.98-14,605.89

Finding the Fourth Proportional to 28,673.08, 42,989.98 and 14,605.89

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Solution

The fourth proportional to 28,673.08, 42,989.98 and 14,605.89 is: 21,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.08 : 42,989.98 = 14,605.89 : x
  2. Step 2: Convert to fraction form
    28,673.08/42,989.98 = 14,605.89/x
  3. Step 3: Cross multiply
    28,673.08x = 42,989.98 × 14,605.89
  4. Step 4: Simplify right side
    28,673.08x = 627,906,918.98
  5. Step 5: Solve for x
    x = 627,906,918.98/28,673.08
  6. Step 6: Final answer
    x = 21,898.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.