Home / 27,567.23-38,040.30-18,626.72

Finding the Fourth Proportional to 27,567.23, 38,040.30 and 18,626.72

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Solution

The fourth proportional to 27,567.23, 38,040.30 and 18,626.72 is: 25,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,567.23 : 38,040.30 = 18,626.72 : x
  2. Step 2: Convert to fraction form
    27,567.23/38,040.30 = 18,626.72/x
  3. Step 3: Cross multiply
    27,567.23x = 38,040.30 × 18,626.72
  4. Step 4: Simplify right side
    27,567.23x = 708,565,826.61
  5. Step 5: Solve for x
    x = 708,565,826.61/27,567.23
  6. Step 6: Final answer
    x = 25,703.20

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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.