Home / 28,909.03-43,328.10-16,439.50

Finding the Fourth Proportional to 28,909.03, 43,328.10 and 16,439.50

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Solution

The fourth proportional to 28,909.03, 43,328.10 and 16,439.50 is: 24,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.03 : 43,328.10 = 16,439.50 : x
  2. Step 2: Convert to fraction form
    28,909.03/43,328.10 = 16,439.50/x
  3. Step 3: Cross multiply
    28,909.03x = 43,328.10 × 16,439.50
  4. Step 4: Simplify right side
    28,909.03x = 712,292,299.95
  5. Step 5: Solve for x
    x = 712,292,299.95/28,909.03
  6. Step 6: Final answer
    x = 24,639.09

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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.