Home / 19,445.95-29,027.73-18,078.67

Finding the Fourth Proportional to 19,445.95, 29,027.73 and 18,078.67

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Solution

The fourth proportional to 19,445.95, 29,027.73 and 18,078.67 is: 26,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.95 : 29,027.73 = 18,078.67 : x
  2. Step 2: Convert to fraction form
    19,445.95/29,027.73 = 18,078.67/x
  3. Step 3: Cross multiply
    19,445.95x = 29,027.73 × 18,078.67
  4. Step 4: Simplify right side
    19,445.95x = 524,782,751.52
  5. Step 5: Solve for x
    x = 524,782,751.52/19,445.95
  6. Step 6: Final answer
    x = 26,986.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.