Home / 26,802.60-40,139.10-25,636.20

Finding the Fourth Proportional to 26,802.60, 40,139.10 and 25,636.20

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Solution

The fourth proportional to 26,802.60, 40,139.10 and 25,636.20 is: 38,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.60 : 40,139.10 = 25,636.20 : x
  2. Step 2: Convert to fraction form
    26,802.60/40,139.10 = 25,636.20/x
  3. Step 3: Cross multiply
    26,802.60x = 40,139.10 × 25,636.20
  4. Step 4: Simplify right side
    26,802.60x = 1,029,013,995.42
  5. Step 5: Solve for x
    x = 1,029,013,995.42/26,802.60
  6. Step 6: Final answer
    x = 38,392.32

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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.