Home / 17,622.32-26,427.36-7,089.20

Finding the Fourth Proportional to 17,622.32, 26,427.36 and 7,089.20

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Solution

The fourth proportional to 17,622.32, 26,427.36 and 7,089.20 is: 10,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.32 : 26,427.36 = 7,089.20 : x
  2. Step 2: Convert to fraction form
    17,622.32/26,427.36 = 7,089.20/x
  3. Step 3: Cross multiply
    17,622.32x = 26,427.36 × 7,089.20
  4. Step 4: Simplify right side
    17,622.32x = 187,348,840.51
  5. Step 5: Solve for x
    x = 187,348,840.51/17,622.32
  6. Step 6: Final answer
    x = 10,631.34

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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.