Home / 25,638.72-35,381.43-14,153.63

Finding the Fourth Proportional to 25,638.72, 35,381.43 and 14,153.63

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Solution

The fourth proportional to 25,638.72, 35,381.43 and 14,153.63 is: 19,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.72 : 35,381.43 = 14,153.63 : x
  2. Step 2: Convert to fraction form
    25,638.72/35,381.43 = 14,153.63/x
  3. Step 3: Cross multiply
    25,638.72x = 35,381.43 × 14,153.63
  4. Step 4: Simplify right side
    25,638.72x = 500,775,669.09
  5. Step 5: Solve for x
    x = 500,775,669.09/25,638.72
  6. Step 6: Final answer
    x = 19,532.01

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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.