Home / 28,988.69-43,499.43-12,346.98

Finding the Fourth Proportional to 28,988.69, 43,499.43 and 12,346.98

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Solution

The fourth proportional to 28,988.69, 43,499.43 and 12,346.98 is: 18,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.69 : 43,499.43 = 12,346.98 : x
  2. Step 2: Convert to fraction form
    28,988.69/43,499.43 = 12,346.98/x
  3. Step 3: Cross multiply
    28,988.69x = 43,499.43 × 12,346.98
  4. Step 4: Simplify right side
    28,988.69x = 537,086,673.78
  5. Step 5: Solve for x
    x = 537,086,673.78/28,988.69
  6. Step 6: Final answer
    x = 18,527.46

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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.