Home / 28,496.59-39,325.08-15,750.64

Finding the Fourth Proportional to 28,496.59, 39,325.08 and 15,750.64

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Solution

The fourth proportional to 28,496.59, 39,325.08 and 15,750.64 is: 21,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496.59 : 39,325.08 = 15,750.64 : x
  2. Step 2: Convert to fraction form
    28,496.59/39,325.08 = 15,750.64/x
  3. Step 3: Cross multiply
    28,496.59x = 39,325.08 × 15,750.64
  4. Step 4: Simplify right side
    28,496.59x = 619,395,178.05
  5. Step 5: Solve for x
    x = 619,395,178.05/28,496.59
  6. Step 6: Final answer
    x = 21,735.76

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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.