Home / 27,143.02-37,459.56-15,209.02

Finding the Fourth Proportional to 27,143.02, 37,459.56 and 15,209.02

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Solution

The fourth proportional to 27,143.02, 37,459.56 and 15,209.02 is: 20,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.02 : 37,459.56 = 15,209.02 : x
  2. Step 2: Convert to fraction form
    27,143.02/37,459.56 = 15,209.02/x
  3. Step 3: Cross multiply
    27,143.02x = 37,459.56 × 15,209.02
  4. Step 4: Simplify right side
    27,143.02x = 569,723,197.23
  5. Step 5: Solve for x
    x = 569,723,197.23/27,143.02
  6. Step 6: Final answer
    x = 20,989.68

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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.