Home / 20,859.95-31,235.25-14,298.95

Finding the Fourth Proportional to 20,859.95, 31,235.25 and 14,298.95

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Solution

The fourth proportional to 20,859.95, 31,235.25 and 14,298.95 is: 21,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859.95 : 31,235.25 = 14,298.95 : x
  2. Step 2: Convert to fraction form
    20,859.95/31,235.25 = 14,298.95/x
  3. Step 3: Cross multiply
    20,859.95x = 31,235.25 × 14,298.95
  4. Step 4: Simplify right side
    20,859.95x = 446,631,329.27
  5. Step 5: Solve for x
    x = 446,631,329.27/20,859.95
  6. Step 6: Final answer
    x = 21,410.95

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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.