Home / 19,580.90-27,021.65-10,628.39

Finding the Fourth Proportional to 19,580.90, 27,021.65 and 10,628.39

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Solution

The fourth proportional to 19,580.90, 27,021.65 and 10,628.39 is: 14,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.90 : 27,021.65 = 10,628.39 : x
  2. Step 2: Convert to fraction form
    19,580.90/27,021.65 = 10,628.39/x
  3. Step 3: Cross multiply
    19,580.90x = 27,021.65 × 10,628.39
  4. Step 4: Simplify right side
    19,580.90x = 287,196,446.39
  5. Step 5: Solve for x
    x = 287,196,446.39/19,580.90
  6. Step 6: Final answer
    x = 14,667.18

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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.