Home / 28,541.25-42,827.22-11,912.67

Finding the Fourth Proportional to 28,541.25, 42,827.22 and 11,912.67

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Solution

The fourth proportional to 28,541.25, 42,827.22 and 11,912.67 is: 17,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.25 : 42,827.22 = 11,912.67 : x
  2. Step 2: Convert to fraction form
    28,541.25/42,827.22 = 11,912.67/x
  3. Step 3: Cross multiply
    28,541.25x = 42,827.22 × 11,912.67
  4. Step 4: Simplify right side
    28,541.25x = 510,186,538.88
  5. Step 5: Solve for x
    x = 510,186,538.88/28,541.25
  6. Step 6: Final answer
    x = 17,875.41

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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.