Home / 28,463.67-39,227.76-18,886.64

Finding the Fourth Proportional to 28,463.67, 39,227.76 and 18,886.64

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Solution

The fourth proportional to 28,463.67, 39,227.76 and 18,886.64 is: 26,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.67 : 39,227.76 = 18,886.64 : x
  2. Step 2: Convert to fraction form
    28,463.67/39,227.76 = 18,886.64/x
  3. Step 3: Cross multiply
    28,463.67x = 39,227.76 × 18,886.64
  4. Step 4: Simplify right side
    28,463.67x = 740,880,384.99
  5. Step 5: Solve for x
    x = 740,880,384.99/28,463.67
  6. Step 6: Final answer
    x = 26,028.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.