Home / 27,779.10-38,295.63-17,162.70

Finding the Fourth Proportional to 27,779.10, 38,295.63 and 17,162.70

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Solution

The fourth proportional to 27,779.10, 38,295.63 and 17,162.70 is: 23,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.10 : 38,295.63 = 17,162.70 : x
  2. Step 2: Convert to fraction form
    27,779.10/38,295.63 = 17,162.70/x
  3. Step 3: Cross multiply
    27,779.10x = 38,295.63 × 17,162.70
  4. Step 4: Simplify right side
    27,779.10x = 657,256,409.00
  5. Step 5: Solve for x
    x = 657,256,409.00/27,779.10
  6. Step 6: Final answer
    x = 23,660.10

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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.