Home / 26,378.52-36,395.10-15,764.28

Finding the Fourth Proportional to 26,378.52, 36,395.10 and 15,764.28

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Solution

The fourth proportional to 26,378.52, 36,395.10 and 15,764.28 is: 21,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.52 : 36,395.10 = 15,764.28 : x
  2. Step 2: Convert to fraction form
    26,378.52/36,395.10 = 15,764.28/x
  3. Step 3: Cross multiply
    26,378.52x = 36,395.10 × 15,764.28
  4. Step 4: Simplify right side
    26,378.52x = 573,742,547.03
  5. Step 5: Solve for x
    x = 573,742,547.03/26,378.52
  6. Step 6: Final answer
    x = 21,750.37

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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.