Home / 25,152.11-34,720.55-16,977.48

Finding the Fourth Proportional to 25,152.11, 34,720.55 and 16,977.48

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Solution

The fourth proportional to 25,152.11, 34,720.55 and 16,977.48 is: 23,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.11 : 34,720.55 = 16,977.48 : x
  2. Step 2: Convert to fraction form
    25,152.11/34,720.55 = 16,977.48/x
  3. Step 3: Cross multiply
    25,152.11x = 34,720.55 × 16,977.48
  4. Step 4: Simplify right side
    25,152.11x = 589,467,358.33
  5. Step 5: Solve for x
    x = 589,467,358.33/25,152.11
  6. Step 6: Final answer
    x = 23,436.10

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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.