Home / 25,314.60-38,010.30-19,477.80

Finding the Fourth Proportional to 25,314.60, 38,010.30 and 19,477.80

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Solution

The fourth proportional to 25,314.60, 38,010.30 and 19,477.80 is: 29,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.60 : 38,010.30 = 19,477.80 : x
  2. Step 2: Convert to fraction form
    25,314.60/38,010.30 = 19,477.80/x
  3. Step 3: Cross multiply
    25,314.60x = 38,010.30 × 19,477.80
  4. Step 4: Simplify right side
    25,314.60x = 740,357,021.34
  5. Step 5: Solve for x
    x = 740,357,021.34/25,314.60
  6. Step 6: Final answer
    x = 29,246.25

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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.