Home / 28,352.09-42,424.31-26,831.29

Finding the Fourth Proportional to 28,352.09, 42,424.31 and 26,831.29

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Solution

The fourth proportional to 28,352.09, 42,424.31 and 26,831.29 is: 40,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.09 : 42,424.31 = 26,831.29 : x
  2. Step 2: Convert to fraction form
    28,352.09/42,424.31 = 26,831.29/x
  3. Step 3: Cross multiply
    28,352.09x = 42,424.31 × 26,831.29
  4. Step 4: Simplify right side
    28,352.09x = 1,138,298,925.68
  5. Step 5: Solve for x
    x = 1,138,298,925.68/28,352.09
  6. Step 6: Final answer
    x = 40,148.68

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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.