Home / 25,648.57-35,385.28-15,573.18

Finding the Fourth Proportional to 25,648.57, 35,385.28 and 15,573.18

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Solution

The fourth proportional to 25,648.57, 35,385.28 and 15,573.18 is: 21,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.57 : 35,385.28 = 15,573.18 : x
  2. Step 2: Convert to fraction form
    25,648.57/35,385.28 = 15,573.18/x
  3. Step 3: Cross multiply
    25,648.57x = 35,385.28 × 15,573.18
  4. Step 4: Simplify right side
    25,648.57x = 551,061,334.79
  5. Step 5: Solve for x
    x = 551,061,334.79/25,648.57
  6. Step 6: Final answer
    x = 21,485.07

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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.