Home / 27,157.02-37,477.56-15,217.62

Finding the Fourth Proportional to 27,157.02, 37,477.56 and 15,217.62

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Solution

The fourth proportional to 27,157.02, 37,477.56 and 15,217.62 is: 21,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.02 : 37,477.56 = 15,217.62 : x
  2. Step 2: Convert to fraction form
    27,157.02/37,477.56 = 15,217.62/x
  3. Step 3: Cross multiply
    27,157.02x = 37,477.56 × 15,217.62
  4. Step 4: Simplify right side
    27,157.02x = 570,319,266.61
  5. Step 5: Solve for x
    x = 570,319,266.61/27,157.02
  6. Step 6: Final answer
    x = 21,000.80

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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.