Home / 28,032.64-42,050.40-7,256.32

Finding the Fourth Proportional to 28,032.64, 42,050.40 and 7,256.32

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Solution

The fourth proportional to 28,032.64, 42,050.40 and 7,256.32 is: 10,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.64 : 42,050.40 = 7,256.32 : x
  2. Step 2: Convert to fraction form
    28,032.64/42,050.40 = 7,256.32/x
  3. Step 3: Cross multiply
    28,032.64x = 42,050.40 × 7,256.32
  4. Step 4: Simplify right side
    28,032.64x = 305,131,158.53
  5. Step 5: Solve for x
    x = 305,131,158.53/28,032.64
  6. Step 6: Final answer
    x = 10,884.85

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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.