Home / 28,762.98-43,154.85-10,045.78

Finding the Fourth Proportional to 28,762.98, 43,154.85 and 10,045.78

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Solution

The fourth proportional to 28,762.98, 43,154.85 and 10,045.78 is: 15,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.98 : 43,154.85 = 10,045.78 : x
  2. Step 2: Convert to fraction form
    28,762.98/43,154.85 = 10,045.78/x
  3. Step 3: Cross multiply
    28,762.98x = 43,154.85 × 10,045.78
  4. Step 4: Simplify right side
    28,762.98x = 433,524,129.03
  5. Step 5: Solve for x
    x = 433,524,129.03/28,762.98
  6. Step 6: Final answer
    x = 15,072.30

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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.