Home / 28,221.36-42,334.12-9,501.28

Finding the Fourth Proportional to 28,221.36, 42,334.12 and 9,501.28

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Solution

The fourth proportional to 28,221.36, 42,334.12 and 9,501.28 is: 14,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.36 : 42,334.12 = 9,501.28 : x
  2. Step 2: Convert to fraction form
    28,221.36/42,334.12 = 9,501.28/x
  3. Step 3: Cross multiply
    28,221.36x = 42,334.12 × 9,501.28
  4. Step 4: Simplify right side
    28,221.36x = 402,228,327.67
  5. Step 5: Solve for x
    x = 402,228,327.67/28,221.36
  6. Step 6: Final answer
    x = 14,252.62

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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.