Home / 28,035.36-42,032.48-13,236.03

Finding the Fourth Proportional to 28,035.36, 42,032.48 and 13,236.03

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Solution

The fourth proportional to 28,035.36, 42,032.48 and 13,236.03 is: 19,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.36 : 42,032.48 = 13,236.03 : x
  2. Step 2: Convert to fraction form
    28,035.36/42,032.48 = 13,236.03/x
  3. Step 3: Cross multiply
    28,035.36x = 42,032.48 × 13,236.03
  4. Step 4: Simplify right side
    28,035.36x = 556,343,100.07
  5. Step 5: Solve for x
    x = 556,343,100.07/28,035.36
  6. Step 6: Final answer
    x = 19,844.34

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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.