Home / 26,830.36-40,225.02-10,185.40

Finding the Fourth Proportional to 26,830.36, 40,225.02 and 10,185.40

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Solution

The fourth proportional to 26,830.36, 40,225.02 and 10,185.40 is: 15,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.36 : 40,225.02 = 10,185.40 : x
  2. Step 2: Convert to fraction form
    26,830.36/40,225.02 = 10,185.40/x
  3. Step 3: Cross multiply
    26,830.36x = 40,225.02 × 10,185.40
  4. Step 4: Simplify right side
    26,830.36x = 409,707,918.71
  5. Step 5: Solve for x
    x = 409,707,918.71/26,830.36
  6. Step 6: Final answer
    x = 15,270.31

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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.