Home / 26,464.89-39,700.86-13,985.43

Finding the Fourth Proportional to 26,464.89, 39,700.86 and 13,985.43

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Solution

The fourth proportional to 26,464.89, 39,700.86 and 13,985.43 is: 20,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464.89 : 39,700.86 = 13,985.43 : x
  2. Step 2: Convert to fraction form
    26,464.89/39,700.86 = 13,985.43/x
  3. Step 3: Cross multiply
    26,464.89x = 39,700.86 × 13,985.43
  4. Step 4: Simplify right side
    26,464.89x = 555,233,598.47
  5. Step 5: Solve for x
    x = 555,233,598.47/26,464.89
  6. Step 6: Final answer
    x = 20,980.01

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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.