Home / 28,037.95-42,117.98-16,949.86

Finding the Fourth Proportional to 28,037.95, 42,117.98 and 16,949.86

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Solution

The fourth proportional to 28,037.95, 42,117.98 and 16,949.86 is: 25,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.95 : 42,117.98 = 16,949.86 : x
  2. Step 2: Convert to fraction form
    28,037.95/42,117.98 = 16,949.86/x
  3. Step 3: Cross multiply
    28,037.95x = 42,117.98 × 16,949.86
  4. Step 4: Simplify right side
    28,037.95x = 713,893,674.44
  5. Step 5: Solve for x
    x = 713,893,674.44/28,037.95
  6. Step 6: Final answer
    x = 25,461.70

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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.