Home / 26,951.76-40,402.64-13,775.08

Finding the Fourth Proportional to 26,951.76, 40,402.64 and 13,775.08

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Solution

The fourth proportional to 26,951.76, 40,402.64 and 13,775.08 is: 20,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,951.76 : 40,402.64 = 13,775.08 : x
  2. Step 2: Convert to fraction form
    26,951.76/40,402.64 = 13,775.08/x
  3. Step 3: Cross multiply
    26,951.76x = 40,402.64 × 13,775.08
  4. Step 4: Simplify right side
    26,951.76x = 556,549,598.21
  5. Step 5: Solve for x
    x = 556,549,598.21/26,951.76
  6. Step 6: Final answer
    x = 20,649.84

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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.