Home / 28,208.36-42,316.26-10,436.60

Finding the Fourth Proportional to 28,208.36, 42,316.26 and 10,436.60

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Solution

The fourth proportional to 28,208.36, 42,316.26 and 10,436.60 is: 15,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.36 : 42,316.26 = 10,436.60 : x
  2. Step 2: Convert to fraction form
    28,208.36/42,316.26 = 10,436.60/x
  3. Step 3: Cross multiply
    28,208.36x = 42,316.26 × 10,436.60
  4. Step 4: Simplify right side
    28,208.36x = 441,637,879.12
  5. Step 5: Solve for x
    x = 441,637,879.12/28,208.36
  6. Step 6: Final answer
    x = 15,656.28

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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.