Home / 25,665.43-35,418.47-14,335.06

Finding the Fourth Proportional to 25,665.43, 35,418.47 and 14,335.06

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Solution

The fourth proportional to 25,665.43, 35,418.47 and 14,335.06 is: 19,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.43 : 35,418.47 = 14,335.06 : x
  2. Step 2: Convert to fraction form
    25,665.43/35,418.47 = 14,335.06/x
  3. Step 3: Cross multiply
    25,665.43x = 35,418.47 × 14,335.06
  4. Step 4: Simplify right side
    25,665.43x = 507,725,892.56
  5. Step 5: Solve for x
    x = 507,725,892.56/25,665.43
  6. Step 6: Final answer
    x = 19,782.48

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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.