Home / 26,965.78-40,422.54-10,312.99

Finding the Fourth Proportional to 26,965.78, 40,422.54 and 10,312.99

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Solution

The fourth proportional to 26,965.78, 40,422.54 and 10,312.99 is: 15,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.78 : 40,422.54 = 10,312.99 : x
  2. Step 2: Convert to fraction form
    26,965.78/40,422.54 = 10,312.99/x
  3. Step 3: Cross multiply
    26,965.78x = 40,422.54 × 10,312.99
  4. Step 4: Simplify right side
    26,965.78x = 416,877,250.79
  5. Step 5: Solve for x
    x = 416,877,250.79/26,965.78
  6. Step 6: Final answer
    x = 15,459.49

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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.