Home / 28,907.86-43,381.50-13,325.62

Finding the Fourth Proportional to 28,907.86, 43,381.50 and 13,325.62

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Solution

The fourth proportional to 28,907.86, 43,381.50 and 13,325.62 is: 19,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.86 : 43,381.50 = 13,325.62 : x
  2. Step 2: Convert to fraction form
    28,907.86/43,381.50 = 13,325.62/x
  3. Step 3: Cross multiply
    28,907.86x = 43,381.50 × 13,325.62
  4. Step 4: Simplify right side
    28,907.86x = 578,085,384.03
  5. Step 5: Solve for x
    x = 578,085,384.03/28,907.86
  6. Step 6: Final answer
    x = 19,997.52

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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.