Home / 21,895.59-30,204.45-13,826.32

Finding the Fourth Proportional to 21,895.59, 30,204.45 and 13,826.32

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Solution

The fourth proportional to 21,895.59, 30,204.45 and 13,826.32 is: 19,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.59 : 30,204.45 = 13,826.32 : x
  2. Step 2: Convert to fraction form
    21,895.59/30,204.45 = 13,826.32/x
  3. Step 3: Cross multiply
    21,895.59x = 30,204.45 × 13,826.32
  4. Step 4: Simplify right side
    21,895.59x = 417,616,240.10
  5. Step 5: Solve for x
    x = 417,616,240.10/21,895.59
  6. Step 6: Final answer
    x = 19,073.08

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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.