Home / 28,303.48-39,048.16-17,543.44

Finding the Fourth Proportional to 28,303.48, 39,048.16 and 17,543.44

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Solution

The fourth proportional to 28,303.48, 39,048.16 and 17,543.44 is: 24,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.48 : 39,048.16 = 17,543.44 : x
  2. Step 2: Convert to fraction form
    28,303.48/39,048.16 = 17,543.44/x
  3. Step 3: Cross multiply
    28,303.48x = 39,048.16 × 17,543.44
  4. Step 4: Simplify right side
    28,303.48x = 685,039,052.07
  5. Step 5: Solve for x
    x = 685,039,052.07/28,303.48
  6. Step 6: Final answer
    x = 24,203.35

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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.