Home / 28,324.33-42,483.74-8,603.06

Finding the Fourth Proportional to 28,324.33, 42,483.74 and 8,603.06

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Solution

The fourth proportional to 28,324.33, 42,483.74 and 8,603.06 is: 12,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.33 : 42,483.74 = 8,603.06 : x
  2. Step 2: Convert to fraction form
    28,324.33/42,483.74 = 8,603.06/x
  3. Step 3: Cross multiply
    28,324.33x = 42,483.74 × 8,603.06
  4. Step 4: Simplify right side
    28,324.33x = 365,489,908.81
  5. Step 5: Solve for x
    x = 365,489,908.81/28,324.33
  6. Step 6: Final answer
    x = 12,903.75

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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.