Home / 28,904.95-43,359.57-12,263.10

Finding the Fourth Proportional to 28,904.95, 43,359.57 and 12,263.10

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Solution

The fourth proportional to 28,904.95, 43,359.57 and 12,263.10 is: 18,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.95 : 43,359.57 = 12,263.10 : x
  2. Step 2: Convert to fraction form
    28,904.95/43,359.57 = 12,263.10/x
  3. Step 3: Cross multiply
    28,904.95x = 43,359.57 × 12,263.10
  4. Step 4: Simplify right side
    28,904.95x = 531,722,580.27
  5. Step 5: Solve for x
    x = 531,722,580.27/28,904.95
  6. Step 6: Final answer
    x = 18,395.55

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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.