Home / 28,990.08-43,429.95-16,518.69

Finding the Fourth Proportional to 28,990.08, 43,429.95 and 16,518.69

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Solution

The fourth proportional to 28,990.08, 43,429.95 and 16,518.69 is: 24,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.08 : 43,429.95 = 16,518.69 : x
  2. Step 2: Convert to fraction form
    28,990.08/43,429.95 = 16,518.69/x
  3. Step 3: Cross multiply
    28,990.08x = 43,429.95 × 16,518.69
  4. Step 4: Simplify right side
    28,990.08x = 717,405,880.77
  5. Step 5: Solve for x
    x = 717,405,880.77/28,990.08
  6. Step 6: Final answer
    x = 24,746.60

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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.