Home / 25,790.78-38,688.96-11,001.26

Finding the Fourth Proportional to 25,790.78, 38,688.96 and 11,001.26

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Solution

The fourth proportional to 25,790.78, 38,688.96 and 11,001.26 is: 16,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.78 : 38,688.96 = 11,001.26 : x
  2. Step 2: Convert to fraction form
    25,790.78/38,688.96 = 11,001.26/x
  3. Step 3: Cross multiply
    25,790.78x = 38,688.96 × 11,001.26
  4. Step 4: Simplify right side
    25,790.78x = 425,627,308.09
  5. Step 5: Solve for x
    x = 425,627,308.09/25,790.78
  6. Step 6: Final answer
    x = 16,503.08

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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.