Home / 19,779.77-27,295.88-10,827.18

Finding the Fourth Proportional to 19,779.77, 27,295.88 and 10,827.18

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Solution

The fourth proportional to 19,779.77, 27,295.88 and 10,827.18 is: 14,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.77 : 27,295.88 = 10,827.18 : x
  2. Step 2: Convert to fraction form
    19,779.77/27,295.88 = 10,827.18/x
  3. Step 3: Cross multiply
    19,779.77x = 27,295.88 × 10,827.18
  4. Step 4: Simplify right side
    19,779.77x = 295,537,406.02
  5. Step 5: Solve for x
    x = 295,537,406.02/19,779.77
  6. Step 6: Final answer
    x = 14,941.40

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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.