Home / 26,970.72-40,473.36-13,112.16

Finding the Fourth Proportional to 26,970.72, 40,473.36 and 13,112.16

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Solution

The fourth proportional to 26,970.72, 40,473.36 and 13,112.16 is: 19,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.72 : 40,473.36 = 13,112.16 : x
  2. Step 2: Convert to fraction form
    26,970.72/40,473.36 = 13,112.16/x
  3. Step 3: Cross multiply
    26,970.72x = 40,473.36 × 13,112.16
  4. Step 4: Simplify right side
    26,970.72x = 530,693,172.06
  5. Step 5: Solve for x
    x = 530,693,172.06/26,970.72
  6. Step 6: Final answer
    x = 19,676.64

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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.