Home / 25,208.81-34,789.05-14,455.35

Finding the Fourth Proportional to 25,208.81, 34,789.05 and 14,455.35

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Solution

The fourth proportional to 25,208.81, 34,789.05 and 14,455.35 is: 19,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.81 : 34,789.05 = 14,455.35 : x
  2. Step 2: Convert to fraction form
    25,208.81/34,789.05 = 14,455.35/x
  3. Step 3: Cross multiply
    25,208.81x = 34,789.05 × 14,455.35
  4. Step 4: Simplify right side
    25,208.81x = 502,887,893.92
  5. Step 5: Solve for x
    x = 502,887,893.92/25,208.81
  6. Step 6: Final answer
    x = 19,948.89

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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.