Home / 27,550.89-38,020.05-14,975.64

Finding the Fourth Proportional to 27,550.89, 38,020.05 and 14,975.64

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Solution

The fourth proportional to 27,550.89, 38,020.05 and 14,975.64 is: 20,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.89 : 38,020.05 = 14,975.64 : x
  2. Step 2: Convert to fraction form
    27,550.89/38,020.05 = 14,975.64/x
  3. Step 3: Cross multiply
    27,550.89x = 38,020.05 × 14,975.64
  4. Step 4: Simplify right side
    27,550.89x = 569,374,581.58
  5. Step 5: Solve for x
    x = 569,374,581.58/27,550.89
  6. Step 6: Final answer
    x = 20,666.29

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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.