Home / 25,877.57-38,871.63-18,529.25

Finding the Fourth Proportional to 25,877.57, 38,871.63 and 18,529.25

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Solution

The fourth proportional to 25,877.57, 38,871.63 and 18,529.25 is: 27,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.57 : 38,871.63 = 18,529.25 : x
  2. Step 2: Convert to fraction form
    25,877.57/38,871.63 = 18,529.25/x
  3. Step 3: Cross multiply
    25,877.57x = 38,871.63 × 18,529.25
  4. Step 4: Simplify right side
    25,877.57x = 720,261,955.82
  5. Step 5: Solve for x
    x = 720,261,955.82/25,877.57
  6. Step 6: Final answer
    x = 27,833.45

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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.