Home / 26,117.10-39,187.80-13,651.20

Finding the Fourth Proportional to 26,117.10, 39,187.80 and 13,651.20

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Solution

The fourth proportional to 26,117.10, 39,187.80 and 13,651.20 is: 20,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.10 : 39,187.80 = 13,651.20 : x
  2. Step 2: Convert to fraction form
    26,117.10/39,187.80 = 13,651.20/x
  3. Step 3: Cross multiply
    26,117.10x = 39,187.80 × 13,651.20
  4. Step 4: Simplify right side
    26,117.10x = 534,960,495.36
  5. Step 5: Solve for x
    x = 534,960,495.36/26,117.10
  6. Step 6: Final answer
    x = 20,483.15

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1.5x scale

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.