Home / 25,715.78-35,482.98-15,101.54

Finding the Fourth Proportional to 25,715.78, 35,482.98 and 15,101.54

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Solution

The fourth proportional to 25,715.78, 35,482.98 and 15,101.54 is: 20,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.78 : 35,482.98 = 15,101.54 : x
  2. Step 2: Convert to fraction form
    25,715.78/35,482.98 = 15,101.54/x
  3. Step 3: Cross multiply
    25,715.78x = 35,482.98 × 15,101.54
  4. Step 4: Simplify right side
    25,715.78x = 535,847,641.79
  5. Step 5: Solve for x
    x = 535,847,641.79/25,715.78
  6. Step 6: Final answer
    x = 20,837.31

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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.