Home / 28,205.42-38,923.49-16,875.40

Finding the Fourth Proportional to 28,205.42, 38,923.49 and 16,875.40

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Solution

The fourth proportional to 28,205.42, 38,923.49 and 16,875.40 is: 23,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.42 : 38,923.49 = 16,875.40 : x
  2. Step 2: Convert to fraction form
    28,205.42/38,923.49 = 16,875.40/x
  3. Step 3: Cross multiply
    28,205.42x = 38,923.49 × 16,875.40
  4. Step 4: Simplify right side
    28,205.42x = 656,849,463.15
  5. Step 5: Solve for x
    x = 656,849,463.15/28,205.42
  6. Step 6: Final answer
    x = 23,288.06

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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.