Home / 26,870.60-40,130.11-22,879.28

Finding the Fourth Proportional to 26,870.60, 40,130.11 and 22,879.28

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Solution

The fourth proportional to 26,870.60, 40,130.11 and 22,879.28 is: 34,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.60 : 40,130.11 = 22,879.28 : x
  2. Step 2: Convert to fraction form
    26,870.60/40,130.11 = 22,879.28/x
  3. Step 3: Cross multiply
    26,870.60x = 40,130.11 × 22,879.28
  4. Step 4: Simplify right side
    26,870.60x = 918,148,023.12
  5. Step 5: Solve for x
    x = 918,148,023.12/26,870.60
  6. Step 6: Final answer
    x = 34,169.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.