Home / 28,373.24-39,143.45-16,266.98

Finding the Fourth Proportional to 28,373.24, 39,143.45 and 16,266.98

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Solution

The fourth proportional to 28,373.24, 39,143.45 and 16,266.98 is: 22,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.24 : 39,143.45 = 16,266.98 : x
  2. Step 2: Convert to fraction form
    28,373.24/39,143.45 = 16,266.98/x
  3. Step 3: Cross multiply
    28,373.24x = 39,143.45 × 16,266.98
  4. Step 4: Simplify right side
    28,373.24x = 636,745,856.81
  5. Step 5: Solve for x
    x = 636,745,856.81/28,373.24
  6. Step 6: Final answer
    x = 22,441.77

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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.