Home / 19,389.98-26,759.43-13,027.16

Finding the Fourth Proportional to 19,389.98, 26,759.43 and 13,027.16

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Solution

The fourth proportional to 19,389.98, 26,759.43 and 13,027.16 is: 17,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.98 : 26,759.43 = 13,027.16 : x
  2. Step 2: Convert to fraction form
    19,389.98/26,759.43 = 13,027.16/x
  3. Step 3: Cross multiply
    19,389.98x = 26,759.43 × 13,027.16
  4. Step 4: Simplify right side
    19,389.98x = 348,599,443.02
  5. Step 5: Solve for x
    x = 348,599,443.02/19,389.98
  6. Step 6: Final answer
    x = 17,978.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.