Home / 28,436.17-42,636.01-11,807.68

Finding the Fourth Proportional to 28,436.17, 42,636.01 and 11,807.68

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Solution

The fourth proportional to 28,436.17, 42,636.01 and 11,807.68 is: 17,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.17 : 42,636.01 = 11,807.68 : x
  2. Step 2: Convert to fraction form
    28,436.17/42,636.01 = 11,807.68/x
  3. Step 3: Cross multiply
    28,436.17x = 42,636.01 × 11,807.68
  4. Step 4: Simplify right side
    28,436.17x = 503,432,362.56
  5. Step 5: Solve for x
    x = 503,432,362.56/28,436.17
  6. Step 6: Final answer
    x = 17,703.94

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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.