Home / 28,580.36-42,876.80-9,604.32

Finding the Fourth Proportional to 28,580.36, 42,876.80 and 9,604.32

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Solution

The fourth proportional to 28,580.36, 42,876.80 and 9,604.32 is: 14,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.36 : 42,876.80 = 9,604.32 : x
  2. Step 2: Convert to fraction form
    28,580.36/42,876.80 = 9,604.32/x
  3. Step 3: Cross multiply
    28,580.36x = 42,876.80 × 9,604.32
  4. Step 4: Simplify right side
    28,580.36x = 411,802,507.78
  5. Step 5: Solve for x
    x = 411,802,507.78/28,580.36
  6. Step 6: Final answer
    x = 14,408.58

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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.