Home / 27,271.02-37,630.80-15,333.69

Finding the Fourth Proportional to 27,271.02, 37,630.80 and 15,333.69

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Solution

The fourth proportional to 27,271.02, 37,630.80 and 15,333.69 is: 21,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.02 : 37,630.80 = 15,333.69 : x
  2. Step 2: Convert to fraction form
    27,271.02/37,630.80 = 15,333.69/x
  3. Step 3: Cross multiply
    27,271.02x = 37,630.80 × 15,333.69
  4. Step 4: Simplify right side
    27,271.02x = 577,019,021.65
  5. Step 5: Solve for x
    x = 577,019,021.65/27,271.02
  6. Step 6: Final answer
    x = 21,158.69

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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.