Home / 26,779.95-36,956.93-15,449.87

Finding the Fourth Proportional to 26,779.95, 36,956.93 and 15,449.87

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Solution

The fourth proportional to 26,779.95, 36,956.93 and 15,449.87 is: 21,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.95 : 36,956.93 = 15,449.87 : x
  2. Step 2: Convert to fraction form
    26,779.95/36,956.93 = 15,449.87/x
  3. Step 3: Cross multiply
    26,779.95x = 36,956.93 × 15,449.87
  4. Step 4: Simplify right side
    26,779.95x = 570,979,779.24
  5. Step 5: Solve for x
    x = 570,979,779.24/26,779.95
  6. Step 6: Final answer
    x = 21,321.17

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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.