Home / 28,339.16-39,108.03-15,592.06

Finding the Fourth Proportional to 28,339.16, 39,108.03 and 15,592.06

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Solution

The fourth proportional to 28,339.16, 39,108.03 and 15,592.06 is: 21,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.16 : 39,108.03 = 15,592.06 : x
  2. Step 2: Convert to fraction form
    28,339.16/39,108.03 = 15,592.06/x
  3. Step 3: Cross multiply
    28,339.16x = 39,108.03 × 15,592.06
  4. Step 4: Simplify right side
    28,339.16x = 609,774,750.24
  5. Step 5: Solve for x
    x = 609,774,750.24/28,339.16
  6. Step 6: Final answer
    x = 21,517.04

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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.