Home / 28,258.98-42,397.37-17,736.32

Finding the Fourth Proportional to 28,258.98, 42,397.37 and 17,736.32

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Solution

The fourth proportional to 28,258.98, 42,397.37 and 17,736.32 is: 26,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.98 : 42,397.37 = 17,736.32 : x
  2. Step 2: Convert to fraction form
    28,258.98/42,397.37 = 17,736.32/x
  3. Step 3: Cross multiply
    28,258.98x = 42,397.37 × 17,736.32
  4. Step 4: Simplify right side
    28,258.98x = 751,973,266.58
  5. Step 5: Solve for x
    x = 751,973,266.58/28,258.98
  6. Step 6: Final answer
    x = 26,610.07

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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.