Home / 25,263.76-34,864.82-13,779.30

Finding the Fourth Proportional to 25,263.76, 34,864.82 and 13,779.30

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Solution

The fourth proportional to 25,263.76, 34,864.82 and 13,779.30 is: 19,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,263.76 : 34,864.82 = 13,779.30 : x
  2. Step 2: Convert to fraction form
    25,263.76/34,864.82 = 13,779.30/x
  3. Step 3: Cross multiply
    25,263.76x = 34,864.82 × 13,779.30
  4. Step 4: Simplify right side
    25,263.76x = 480,412,814.23
  5. Step 5: Solve for x
    x = 480,412,814.23/25,263.76
  6. Step 6: Final answer
    x = 19,015.89

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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.