Home / 25,370.49-34,999.56-16,420.89

Finding the Fourth Proportional to 25,370.49, 34,999.56 and 16,420.89

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Solution

The fourth proportional to 25,370.49, 34,999.56 and 16,420.89 is: 22,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.49 : 34,999.56 = 16,420.89 : x
  2. Step 2: Convert to fraction form
    25,370.49/34,999.56 = 16,420.89/x
  3. Step 3: Cross multiply
    25,370.49x = 34,999.56 × 16,420.89
  4. Step 4: Simplify right side
    25,370.49x = 574,723,924.81
  5. Step 5: Solve for x
    x = 574,723,924.81/25,370.49
  6. Step 6: Final answer
    x = 22,653.24

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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.