Home / 26,181.36-36,130.46-15,426.72

Finding the Fourth Proportional to 26,181.36, 36,130.46 and 15,426.72

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Solution

The fourth proportional to 26,181.36, 36,130.46 and 15,426.72 is: 21,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.36 : 36,130.46 = 15,426.72 : x
  2. Step 2: Convert to fraction form
    26,181.36/36,130.46 = 15,426.72/x
  3. Step 3: Cross multiply
    26,181.36x = 36,130.46 × 15,426.72
  4. Step 4: Simplify right side
    26,181.36x = 557,374,412.76
  5. Step 5: Solve for x
    x = 557,374,412.76/26,181.36
  6. Step 6: Final answer
    x = 21,288.98

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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.