Home / 28,704.12-39,612.06-17,373.48

Finding the Fourth Proportional to 28,704.12, 39,612.06 and 17,373.48

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Solution

The fourth proportional to 28,704.12, 39,612.06 and 17,373.48 is: 23,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.12 : 39,612.06 = 17,373.48 : x
  2. Step 2: Convert to fraction form
    28,704.12/39,612.06 = 17,373.48/x
  3. Step 3: Cross multiply
    28,704.12x = 39,612.06 × 17,373.48
  4. Step 4: Simplify right side
    28,704.12x = 688,199,332.17
  5. Step 5: Solve for x
    x = 688,199,332.17/28,704.12
  6. Step 6: Final answer
    x = 23,975.63

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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.