Home / 25,271.64-34,877.97-15,205.32

Finding the Fourth Proportional to 25,271.64, 34,877.97 and 15,205.32

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Solution

The fourth proportional to 25,271.64, 34,877.97 and 15,205.32 is: 20,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.64 : 34,877.97 = 15,205.32 : x
  2. Step 2: Convert to fraction form
    25,271.64/34,877.97 = 15,205.32/x
  3. Step 3: Cross multiply
    25,271.64x = 34,877.97 × 15,205.32
  4. Step 4: Simplify right side
    25,271.64x = 530,330,694.80
  5. Step 5: Solve for x
    x = 530,330,694.80/25,271.64
  6. Step 6: Final answer
    x = 20,985.21

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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.