Home / 26,900.40-40,307.40-25,345.20

Finding the Fourth Proportional to 26,900.40, 40,307.40 and 25,345.20

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Solution

The fourth proportional to 26,900.40, 40,307.40 and 25,345.20 is: 37,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.40 : 40,307.40 = 25,345.20 : x
  2. Step 2: Convert to fraction form
    26,900.40/40,307.40 = 25,345.20/x
  3. Step 3: Cross multiply
    26,900.40x = 40,307.40 × 25,345.20
  4. Step 4: Simplify right side
    26,900.40x = 1,021,599,114.48
  5. Step 5: Solve for x
    x = 1,021,599,114.48/26,900.40
  6. Step 6: Final answer
    x = 37,977.10

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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.