Home / 26,619.31-36,731.73-14,681.89

Finding the Fourth Proportional to 26,619.31, 36,731.73 and 14,681.89

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Solution

The fourth proportional to 26,619.31, 36,731.73 and 14,681.89 is: 20,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.31 : 36,731.73 = 14,681.89 : x
  2. Step 2: Convert to fraction form
    26,619.31/36,731.73 = 14,681.89/x
  3. Step 3: Cross multiply
    26,619.31x = 36,731.73 × 14,681.89
  4. Step 4: Simplify right side
    26,619.31x = 539,291,219.37
  5. Step 5: Solve for x
    x = 539,291,219.37/26,619.31
  6. Step 6: Final answer
    x = 20,259.40

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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.