Home / 28,050.78-38,711.75-16,113.81

Finding the Fourth Proportional to 28,050.78, 38,711.75 and 16,113.81

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Solution

The fourth proportional to 28,050.78, 38,711.75 and 16,113.81 is: 22,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.78 : 38,711.75 = 16,113.81 : x
  2. Step 2: Convert to fraction form
    28,050.78/38,711.75 = 16,113.81/x
  3. Step 3: Cross multiply
    28,050.78x = 38,711.75 × 16,113.81
  4. Step 4: Simplify right side
    28,050.78x = 623,793,703.70
  5. Step 5: Solve for x
    x = 623,793,703.70/28,050.78
  6. Step 6: Final answer
    x = 22,238.02

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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.