Home / 26,370.50-39,565.48-13,890.02

Finding the Fourth Proportional to 26,370.50, 39,565.48 and 13,890.02

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Solution

The fourth proportional to 26,370.50, 39,565.48 and 13,890.02 is: 20,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,370.50 : 39,565.48 = 13,890.02 : x
  2. Step 2: Convert to fraction form
    26,370.50/39,565.48 = 13,890.02/x
  3. Step 3: Cross multiply
    26,370.50x = 39,565.48 × 13,890.02
  4. Step 4: Simplify right side
    26,370.50x = 549,565,308.51
  5. Step 5: Solve for x
    x = 549,565,308.51/26,370.50
  6. Step 6: Final answer
    x = 20,840.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.