Home / 28,368.34-42,552.20-7,308.29

Finding the Fourth Proportional to 28,368.34, 42,552.20 and 7,308.29

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Solution

The fourth proportional to 28,368.34, 42,552.20 and 7,308.29 is: 10,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.34 : 42,552.20 = 7,308.29 : x
  2. Step 2: Convert to fraction form
    28,368.34/42,552.20 = 7,308.29/x
  3. Step 3: Cross multiply
    28,368.34x = 42,552.20 × 7,308.29
  4. Step 4: Simplify right side
    28,368.34x = 310,983,942.39
  5. Step 5: Solve for x
    x = 310,983,942.39/28,368.34
  6. Step 6: Final answer
    x = 10,962.36

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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.