Home / 26,779.48-40,154.16-10,980.16

Finding the Fourth Proportional to 26,779.48, 40,154.16 and 10,980.16

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Solution

The fourth proportional to 26,779.48, 40,154.16 and 10,980.16 is: 16,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.48 : 40,154.16 = 10,980.16 : x
  2. Step 2: Convert to fraction form
    26,779.48/40,154.16 = 10,980.16/x
  3. Step 3: Cross multiply
    26,779.48x = 40,154.16 × 10,980.16
  4. Step 4: Simplify right side
    26,779.48x = 440,899,101.47
  5. Step 5: Solve for x
    x = 440,899,101.47/26,779.48
  6. Step 6: Final answer
    x = 16,464.07

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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.