Home / 56,421.78-84,687.75-26,860.02

Finding the Fourth Proportional to 56,421.78, 84,687.75 and 26,860.02

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Solution

The fourth proportional to 56,421.78, 84,687.75 and 26,860.02 is: 40,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.78 : 84,687.75 = 26,860.02 : x
  2. Step 2: Convert to fraction form
    56,421.78/84,687.75 = 26,860.02/x
  3. Step 3: Cross multiply
    56,421.78x = 84,687.75 × 26,860.02
  4. Step 4: Simplify right side
    56,421.78x = 2,274,714,658.76
  5. Step 5: Solve for x
    x = 2,274,714,658.76/56,421.78
  6. Step 6: Final answer
    x = 40,316.25

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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.