Home / 28,990.01-43,483.61-16,988.85

Finding the Fourth Proportional to 28,990.01, 43,483.61 and 16,988.85

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Solution

The fourth proportional to 28,990.01, 43,483.61 and 16,988.85 is: 25,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.01 : 43,483.61 = 16,988.85 : x
  2. Step 2: Convert to fraction form
    28,990.01/43,483.61 = 16,988.85/x
  3. Step 3: Cross multiply
    28,990.01x = 43,483.61 × 16,988.85
  4. Step 4: Simplify right side
    28,990.01x = 738,736,527.75
  5. Step 5: Solve for x
    x = 738,736,527.75/28,990.01
  6. Step 6: Final answer
    x = 25,482.45

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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.