Home / 25,638.98-35,381.80-14,153.90

Finding the Fourth Proportional to 25,638.98, 35,381.80 and 14,153.90

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Solution

The fourth proportional to 25,638.98, 35,381.80 and 14,153.90 is: 19,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.98 : 35,381.80 = 14,153.90 : x
  2. Step 2: Convert to fraction form
    25,638.98/35,381.80 = 14,153.90/x
  3. Step 3: Cross multiply
    25,638.98x = 35,381.80 × 14,153.90
  4. Step 4: Simplify right side
    25,638.98x = 500,790,335.18
  5. Step 5: Solve for x
    x = 500,790,335.18/25,638.98
  6. Step 6: Final answer
    x = 19,532.38

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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.