Home / 25,638.57-35,392.02-15,570.26

Finding the Fourth Proportional to 25,638.57, 35,392.02 and 15,570.26

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Solution

The fourth proportional to 25,638.57, 35,392.02 and 15,570.26 is: 21,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.57 : 35,392.02 = 15,570.26 : x
  2. Step 2: Convert to fraction form
    25,638.57/35,392.02 = 15,570.26/x
  3. Step 3: Cross multiply
    25,638.57x = 35,392.02 × 15,570.26
  4. Step 4: Simplify right side
    25,638.57x = 551,062,776.37
  5. Step 5: Solve for x
    x = 551,062,776.37/25,638.57
  6. Step 6: Final answer
    x = 21,493.51

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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.