Home / 28,588.32-39,370.32-25,731.36

Finding the Fourth Proportional to 28,588.32, 39,370.32 and 25,731.36

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Solution

The fourth proportional to 28,588.32, 39,370.32 and 25,731.36 is: 35,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.32 : 39,370.32 = 25,731.36 : x
  2. Step 2: Convert to fraction form
    28,588.32/39,370.32 = 25,731.36/x
  3. Step 3: Cross multiply
    28,588.32x = 39,370.32 × 25,731.36
  4. Step 4: Simplify right side
    28,588.32x = 1,013,051,877.24
  5. Step 5: Solve for x
    x = 1,013,051,877.24/28,588.32
  6. Step 6: Final answer
    x = 35,435.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.