Home / 26,464.86-36,518.79-15,854.22

Finding the Fourth Proportional to 26,464.86, 36,518.79 and 15,854.22

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Solution

The fourth proportional to 26,464.86, 36,518.79 and 15,854.22 is: 21,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464.86 : 36,518.79 = 15,854.22 : x
  2. Step 2: Convert to fraction form
    26,464.86/36,518.79 = 15,854.22/x
  3. Step 3: Cross multiply
    26,464.86x = 36,518.79 × 15,854.22
  4. Step 4: Simplify right side
    26,464.86x = 578,976,930.79
  5. Step 5: Solve for x
    x = 578,976,930.79/26,464.86
  6. Step 6: Final answer
    x = 21,877.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.