Home / 26,128.84-36,058.32-15,916.36

Finding the Fourth Proportional to 26,128.84, 36,058.32 and 15,916.36

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Solution

The fourth proportional to 26,128.84, 36,058.32 and 15,916.36 is: 21,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.84 : 36,058.32 = 15,916.36 : x
  2. Step 2: Convert to fraction form
    26,128.84/36,058.32 = 15,916.36/x
  3. Step 3: Cross multiply
    26,128.84x = 36,058.32 × 15,916.36
  4. Step 4: Simplify right side
    26,128.84x = 573,917,202.12
  5. Step 5: Solve for x
    x = 573,917,202.12/26,128.84
  6. Step 6: Final answer
    x = 21,964.89

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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.