Home / 28,310.28-42,465.26-7,250.28

Finding the Fourth Proportional to 28,310.28, 42,465.26 and 7,250.28

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Solution

The fourth proportional to 28,310.28, 42,465.26 and 7,250.28 is: 10,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.28 : 42,465.26 = 7,250.28 : x
  2. Step 2: Convert to fraction form
    28,310.28/42,465.26 = 7,250.28/x
  3. Step 3: Cross multiply
    28,310.28x = 42,465.26 × 7,250.28
  4. Step 4: Simplify right side
    28,310.28x = 307,885,025.27
  5. Step 5: Solve for x
    x = 307,885,025.27/28,310.28
  6. Step 6: Final answer
    x = 10,875.38

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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.