Home / 27,308.10-40,962.15-9,779.70

Finding the Fourth Proportional to 27,308.10, 40,962.15 and 9,779.70

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Solution

The fourth proportional to 27,308.10, 40,962.15 and 9,779.70 is: 14,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.10 : 40,962.15 = 9,779.70 : x
  2. Step 2: Convert to fraction form
    27,308.10/40,962.15 = 9,779.70/x
  3. Step 3: Cross multiply
    27,308.10x = 40,962.15 × 9,779.70
  4. Step 4: Simplify right side
    27,308.10x = 400,597,538.36
  5. Step 5: Solve for x
    x = 400,597,538.36/27,308.10
  6. Step 6: Final answer
    x = 14,669.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.