Home / 19,535.40-26,971.08-15,050.64

Finding the Fourth Proportional to 19,535.40, 26,971.08 and 15,050.64

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Solution

The fourth proportional to 19,535.40, 26,971.08 and 15,050.64 is: 20,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.40 : 26,971.08 = 15,050.64 : x
  2. Step 2: Convert to fraction form
    19,535.40/26,971.08 = 15,050.64/x
  3. Step 3: Cross multiply
    19,535.40x = 26,971.08 × 15,050.64
  4. Step 4: Simplify right side
    19,535.40x = 405,932,015.49
  5. Step 5: Solve for x
    x = 405,932,015.49/19,535.40
  6. Step 6: Final answer
    x = 20,779.30

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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.