Home / 28,336.04-39,102.95-15,589.16

Finding the Fourth Proportional to 28,336.04, 39,102.95 and 15,589.16

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Solution

The fourth proportional to 28,336.04, 39,102.95 and 15,589.16 is: 21,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.04 : 39,102.95 = 15,589.16 : x
  2. Step 2: Convert to fraction form
    28,336.04/39,102.95 = 15,589.16/x
  3. Step 3: Cross multiply
    28,336.04x = 39,102.95 × 15,589.16
  4. Step 4: Simplify right side
    28,336.04x = 609,582,280.75
  5. Step 5: Solve for x
    x = 609,582,280.75/28,336.04
  6. Step 6: Final answer
    x = 21,512.61

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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.