Home / 43,206.16-64,807.08-16,915.72

Finding the Fourth Proportional to 43,206.16, 64,807.08 and 16,915.72

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Solution

The fourth proportional to 43,206.16, 64,807.08 and 16,915.72 is: 25,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,206.16 : 64,807.08 = 16,915.72 : x
  2. Step 2: Convert to fraction form
    43,206.16/64,807.08 = 16,915.72/x
  3. Step 3: Cross multiply
    43,206.16x = 64,807.08 × 16,915.72
  4. Step 4: Simplify right side
    43,206.16x = 1,096,258,419.30
  5. Step 5: Solve for x
    x = 1,096,258,419.30/43,206.16
  6. Step 6: Final answer
    x = 25,372.73

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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.