Home / 25,767.19-35,558.80-15,018.42

Finding the Fourth Proportional to 25,767.19, 35,558.80 and 15,018.42

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Solution

The fourth proportional to 25,767.19, 35,558.80 and 15,018.42 is: 20,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.19 : 35,558.80 = 15,018.42 : x
  2. Step 2: Convert to fraction form
    25,767.19/35,558.80 = 15,018.42/x
  3. Step 3: Cross multiply
    25,767.19x = 35,558.80 × 15,018.42
  4. Step 4: Simplify right side
    25,767.19x = 534,036,955.55
  5. Step 5: Solve for x
    x = 534,036,955.55/25,767.19
  6. Step 6: Final answer
    x = 20,725.47

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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.