Home / 27,142.83-37,458.18-15,206.27

Finding the Fourth Proportional to 27,142.83, 37,458.18 and 15,206.27

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Solution

The fourth proportional to 27,142.83, 37,458.18 and 15,206.27 is: 20,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.83 : 37,458.18 = 15,206.27 : x
  2. Step 2: Convert to fraction form
    27,142.83/37,458.18 = 15,206.27/x
  3. Step 3: Cross multiply
    27,142.83x = 37,458.18 × 15,206.27
  4. Step 4: Simplify right side
    27,142.83x = 569,599,011.50
  5. Step 5: Solve for x
    x = 569,599,011.50/27,142.83
  6. Step 6: Final answer
    x = 20,985.25

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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.