Home / 28,925.24-43,376.90-15,770.45

Finding the Fourth Proportional to 28,925.24, 43,376.90 and 15,770.45

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Solution

The fourth proportional to 28,925.24, 43,376.90 and 15,770.45 is: 23,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.24 : 43,376.90 = 15,770.45 : x
  2. Step 2: Convert to fraction form
    28,925.24/43,376.90 = 15,770.45/x
  3. Step 3: Cross multiply
    28,925.24x = 43,376.90 × 15,770.45
  4. Step 4: Simplify right side
    28,925.24x = 684,072,936.87
  5. Step 5: Solve for x
    x = 684,072,936.87/28,925.24
  6. Step 6: Final answer
    x = 23,649.69

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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.