Home / 28,442.36-42,664.19-7,383.23

Finding the Fourth Proportional to 28,442.36, 42,664.19 and 7,383.23

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Solution

The fourth proportional to 28,442.36, 42,664.19 and 7,383.23 is: 11,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.36 : 42,664.19 = 7,383.23 : x
  2. Step 2: Convert to fraction form
    28,442.36/42,664.19 = 7,383.23/x
  3. Step 3: Cross multiply
    28,442.36x = 42,664.19 × 7,383.23
  4. Step 4: Simplify right side
    28,442.36x = 314,999,490.62
  5. Step 5: Solve for x
    x = 314,999,490.62/28,442.36
  6. Step 6: Final answer
    x = 11,075.01

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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.