Home / 28,032.23-42,054.48-8,309.58

Finding the Fourth Proportional to 28,032.23, 42,054.48 and 8,309.58

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Solution

The fourth proportional to 28,032.23, 42,054.48 and 8,309.58 is: 12,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.23 : 42,054.48 = 8,309.58 : x
  2. Step 2: Convert to fraction form
    28,032.23/42,054.48 = 8,309.58/x
  3. Step 3: Cross multiply
    28,032.23x = 42,054.48 × 8,309.58
  4. Step 4: Simplify right side
    28,032.23x = 349,455,065.92
  5. Step 5: Solve for x
    x = 349,455,065.92/28,032.23
  6. Step 6: Final answer
    x = 12,466.19

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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.