Home / 28,203.36-42,308.67-9,475.32

Finding the Fourth Proportional to 28,203.36, 42,308.67 and 9,475.32

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Solution

The fourth proportional to 28,203.36, 42,308.67 and 9,475.32 is: 14,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.36 : 42,308.67 = 9,475.32 : x
  2. Step 2: Convert to fraction form
    28,203.36/42,308.67 = 9,475.32/x
  3. Step 3: Cross multiply
    28,203.36x = 42,308.67 × 9,475.32
  4. Step 4: Simplify right side
    28,203.36x = 400,888,187.02
  5. Step 5: Solve for x
    x = 400,888,187.02/28,203.36
  6. Step 6: Final answer
    x = 14,214.20

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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.