Home / 27,953.37-38,575.85-15,206.67

Finding the Fourth Proportional to 27,953.37, 38,575.85 and 15,206.67

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Solution

The fourth proportional to 27,953.37, 38,575.85 and 15,206.67 is: 20,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.37 : 38,575.85 = 15,206.67 : x
  2. Step 2: Convert to fraction form
    27,953.37/38,575.85 = 15,206.67/x
  3. Step 3: Cross multiply
    27,953.37x = 38,575.85 × 15,206.67
  4. Step 4: Simplify right side
    27,953.37x = 586,610,144.89
  5. Step 5: Solve for x
    x = 586,610,144.89/27,953.37
  6. Step 6: Final answer
    x = 20,985.31

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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.