Home / 27,870.12-38,458.23-16,537.67

Finding the Fourth Proportional to 27,870.12, 38,458.23 and 16,537.67

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Solution

The fourth proportional to 27,870.12, 38,458.23 and 16,537.67 is: 22,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.12 : 38,458.23 = 16,537.67 : x
  2. Step 2: Convert to fraction form
    27,870.12/38,458.23 = 16,537.67/x
  3. Step 3: Cross multiply
    27,870.12x = 38,458.23 × 16,537.67
  4. Step 4: Simplify right side
    27,870.12x = 636,009,406.44
  5. Step 5: Solve for x
    x = 636,009,406.44/27,870.12
  6. Step 6: Final answer
    x = 22,820.48

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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.