Home / 19,779.40-27,295.55-10,826.82

Finding the Fourth Proportional to 19,779.40, 27,295.55 and 10,826.82

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Solution

The fourth proportional to 19,779.40, 27,295.55 and 10,826.82 is: 14,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.40 : 27,295.55 = 10,826.82 : x
  2. Step 2: Convert to fraction form
    19,779.40/27,295.55 = 10,826.82/x
  3. Step 3: Cross multiply
    19,779.40x = 27,295.55 × 10,826.82
  4. Step 4: Simplify right side
    19,779.40x = 295,523,952.52
  5. Step 5: Solve for x
    x = 295,523,952.52/19,779.40
  6. Step 6: Final answer
    x = 14,941.00

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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.