Home / 25,390.23-35,038.42-14,212.23

Finding the Fourth Proportional to 25,390.23, 35,038.42 and 14,212.23

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Solution

The fourth proportional to 25,390.23, 35,038.42 and 14,212.23 is: 19,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.23 : 35,038.42 = 14,212.23 : x
  2. Step 2: Convert to fraction form
    25,390.23/35,038.42 = 14,212.23/x
  3. Step 3: Cross multiply
    25,390.23x = 35,038.42 × 14,212.23
  4. Step 4: Simplify right side
    25,390.23x = 497,973,996.90
  5. Step 5: Solve for x
    x = 497,973,996.90/25,390.23
  6. Step 6: Final answer
    x = 19,612.82

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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.