Home / 28,045.80-42,039.90-15,546.60

Finding the Fourth Proportional to 28,045.80, 42,039.90 and 15,546.60

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Solution

The fourth proportional to 28,045.80, 42,039.90 and 15,546.60 is: 23,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.80 : 42,039.90 = 15,546.60 : x
  2. Step 2: Convert to fraction form
    28,045.80/42,039.90 = 15,546.60/x
  3. Step 3: Cross multiply
    28,045.80x = 42,039.90 × 15,546.60
  4. Step 4: Simplify right side
    28,045.80x = 653,577,509.34
  5. Step 5: Solve for x
    x = 653,577,509.34/28,045.80
  6. Step 6: Final answer
    x = 23,303.94

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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.