Home / 28,241.31-42,353.32-9,516.32

Finding the Fourth Proportional to 28,241.31, 42,353.32 and 9,516.32

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Solution

The fourth proportional to 28,241.31, 42,353.32 and 9,516.32 is: 14,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.31 : 42,353.32 = 9,516.32 : x
  2. Step 2: Convert to fraction form
    28,241.31/42,353.32 = 9,516.32/x
  3. Step 3: Cross multiply
    28,241.31x = 42,353.32 × 9,516.32
  4. Step 4: Simplify right side
    28,241.31x = 403,047,746.18
  5. Step 5: Solve for x
    x = 403,047,746.18/28,241.31
  6. Step 6: Final answer
    x = 14,271.57

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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.