Home / 28,329.40-42,407.70-16,607.80

Finding the Fourth Proportional to 28,329.40, 42,407.70 and 16,607.80

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Solution

The fourth proportional to 28,329.40, 42,407.70 and 16,607.80 is: 24,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.40 : 42,407.70 = 16,607.80 : x
  2. Step 2: Convert to fraction form
    28,329.40/42,407.70 = 16,607.80/x
  3. Step 3: Cross multiply
    28,329.40x = 42,407.70 × 16,607.80
  4. Step 4: Simplify right side
    28,329.40x = 704,298,600.06
  5. Step 5: Solve for x
    x = 704,298,600.06/28,329.40
  6. Step 6: Final answer
    x = 24,861.05

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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.