Home / 25,421.40-38,094.63-14,161.23

Finding the Fourth Proportional to 25,421.40, 38,094.63 and 14,161.23

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Solution

The fourth proportional to 25,421.40, 38,094.63 and 14,161.23 is: 21,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.40 : 38,094.63 = 14,161.23 : x
  2. Step 2: Convert to fraction form
    25,421.40/38,094.63 = 14,161.23/x
  3. Step 3: Cross multiply
    25,421.40x = 38,094.63 × 14,161.23
  4. Step 4: Simplify right side
    25,421.40x = 539,466,817.19
  5. Step 5: Solve for x
    x = 539,466,817.19/25,421.40
  6. Step 6: Final answer
    x = 21,220.97

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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.