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Finding the Fourth Proportional to 25,388.31, 35,036.01 and 14,058.16

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Solution

The fourth proportional to 25,388.31, 35,036.01 and 14,058.16 is: 19,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.31 : 35,036.01 = 14,058.16 : x
  2. Step 2: Convert to fraction form
    25,388.31/35,036.01 = 14,058.16/x
  3. Step 3: Cross multiply
    25,388.31x = 35,036.01 × 14,058.16
  4. Step 4: Simplify right side
    25,388.31x = 492,541,834.34
  5. Step 5: Solve for x
    x = 492,541,834.34/25,388.31
  6. Step 6: Final answer
    x = 19,400.34

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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.