Home / 28,656.36-42,997.26-11,127.52

Finding the Fourth Proportional to 28,656.36, 42,997.26 and 11,127.52

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Solution

The fourth proportional to 28,656.36, 42,997.26 and 11,127.52 is: 16,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.36 : 42,997.26 = 11,127.52 : x
  2. Step 2: Convert to fraction form
    28,656.36/42,997.26 = 11,127.52/x
  3. Step 3: Cross multiply
    28,656.36x = 42,997.26 × 11,127.52
  4. Step 4: Simplify right side
    28,656.36x = 478,452,870.60
  5. Step 5: Solve for x
    x = 478,452,870.60/28,656.36
  6. Step 6: Final answer
    x = 16,696.22

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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.