Home / 25,140.25-34,693.90-13,810.77

Finding the Fourth Proportional to 25,140.25, 34,693.90 and 13,810.77

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Solution

The fourth proportional to 25,140.25, 34,693.90 and 13,810.77 is: 19,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.25 : 34,693.90 = 13,810.77 : x
  2. Step 2: Convert to fraction form
    25,140.25/34,693.90 = 13,810.77/x
  3. Step 3: Cross multiply
    25,140.25x = 34,693.90 × 13,810.77
  4. Step 4: Simplify right side
    25,140.25x = 479,149,299.83
  5. Step 5: Solve for x
    x = 479,149,299.83/25,140.25
  6. Step 6: Final answer
    x = 19,059.05

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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.