Home / 28,937.61-43,409.53-9,211.56

Finding the Fourth Proportional to 28,937.61, 43,409.53 and 9,211.56

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Solution

The fourth proportional to 28,937.61, 43,409.53 and 9,211.56 is: 13,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.61 : 43,409.53 = 9,211.56 : x
  2. Step 2: Convert to fraction form
    28,937.61/43,409.53 = 9,211.56/x
  3. Step 3: Cross multiply
    28,937.61x = 43,409.53 × 9,211.56
  4. Step 4: Simplify right side
    28,937.61x = 399,869,490.17
  5. Step 5: Solve for x
    x = 399,869,490.17/28,937.61
  6. Step 6: Final answer
    x = 13,818.33

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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.