Home / 25,515.84-38,271.69-16,128.48

Finding the Fourth Proportional to 25,515.84, 38,271.69 and 16,128.48

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Solution

The fourth proportional to 25,515.84, 38,271.69 and 16,128.48 is: 24,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.84 : 38,271.69 = 16,128.48 : x
  2. Step 2: Convert to fraction form
    25,515.84/38,271.69 = 16,128.48/x
  3. Step 3: Cross multiply
    25,515.84x = 38,271.69 × 16,128.48
  4. Step 4: Simplify right side
    25,515.84x = 617,264,330.25
  5. Step 5: Solve for x
    x = 617,264,330.25/25,515.84
  6. Step 6: Final answer
    x = 24,191.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.