Home / 26,751.44-36,913.05-15,420.05

Finding the Fourth Proportional to 26,751.44, 36,913.05 and 15,420.05

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Solution

The fourth proportional to 26,751.44, 36,913.05 and 15,420.05 is: 21,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.44 : 36,913.05 = 15,420.05 : x
  2. Step 2: Convert to fraction form
    26,751.44/36,913.05 = 15,420.05/x
  3. Step 3: Cross multiply
    26,751.44x = 36,913.05 × 15,420.05
  4. Step 4: Simplify right side
    26,751.44x = 569,201,030.51
  5. Step 5: Solve for x
    x = 569,201,030.51/26,751.44
  6. Step 6: Final answer
    x = 21,277.40

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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.