Home / 26,298.23-39,458.88-13,815.35

Finding the Fourth Proportional to 26,298.23, 39,458.88 and 13,815.35

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Solution

The fourth proportional to 26,298.23, 39,458.88 and 13,815.35 is: 20,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.23 : 39,458.88 = 13,815.35 : x
  2. Step 2: Convert to fraction form
    26,298.23/39,458.88 = 13,815.35/x
  3. Step 3: Cross multiply
    26,298.23x = 39,458.88 × 13,815.35
  4. Step 4: Simplify right side
    26,298.23x = 545,138,040.51
  5. Step 5: Solve for x
    x = 545,138,040.51/26,298.23
  6. Step 6: Final answer
    x = 20,729.08

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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.