Home / 22,427.79-33,642.60-8,386.39

Finding the Fourth Proportional to 22,427.79, 33,642.60 and 8,386.39

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Solution

The fourth proportional to 22,427.79, 33,642.60 and 8,386.39 is: 12,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.79 : 33,642.60 = 8,386.39 : x
  2. Step 2: Convert to fraction form
    22,427.79/33,642.60 = 8,386.39/x
  3. Step 3: Cross multiply
    22,427.79x = 33,642.60 × 8,386.39
  4. Step 4: Simplify right side
    22,427.79x = 282,139,964.21
  5. Step 5: Solve for x
    x = 282,139,964.21/22,427.79
  6. Step 6: Final answer
    x = 12,579.93

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1.5x scale

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.