Home / 28,038.95-42,119.48-16,950.86

Finding the Fourth Proportional to 28,038.95, 42,119.48 and 16,950.86

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Solution

The fourth proportional to 28,038.95, 42,119.48 and 16,950.86 is: 25,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.95 : 42,119.48 = 16,950.86 : x
  2. Step 2: Convert to fraction form
    28,038.95/42,119.48 = 16,950.86/x
  3. Step 3: Cross multiply
    28,038.95x = 42,119.48 × 16,950.86
  4. Step 4: Simplify right side
    28,038.95x = 713,961,408.75
  5. Step 5: Solve for x
    x = 713,961,408.75/28,038.95
  6. Step 6: Final answer
    x = 25,463.20

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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.