Home / 28,333.36-42,495.40-8,338.17

Finding the Fourth Proportional to 28,333.36, 42,495.40 and 8,338.17

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Solution

The fourth proportional to 28,333.36, 42,495.40 and 8,338.17 is: 12,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.36 : 42,495.40 = 8,338.17 : x
  2. Step 2: Convert to fraction form
    28,333.36/42,495.40 = 8,338.17/x
  3. Step 3: Cross multiply
    28,333.36x = 42,495.40 × 8,338.17
  4. Step 4: Simplify right side
    28,333.36x = 354,333,848.57
  5. Step 5: Solve for x
    x = 354,333,848.57/28,333.36
  6. Step 6: Final answer
    x = 12,505.89

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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.