Home / 28,438.42-39,246.69-16,497.40

Finding the Fourth Proportional to 28,438.42, 39,246.69 and 16,497.40

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Solution

The fourth proportional to 28,438.42, 39,246.69 and 16,497.40 is: 22,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438.42 : 39,246.69 = 16,497.40 : x
  2. Step 2: Convert to fraction form
    28,438.42/39,246.69 = 16,497.40/x
  3. Step 3: Cross multiply
    28,438.42x = 39,246.69 × 16,497.40
  4. Step 4: Simplify right side
    28,438.42x = 647,468,343.61
  5. Step 5: Solve for x
    x = 647,468,343.61/28,438.42
  6. Step 6: Final answer
    x = 22,767.38

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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.