Home / 38,426.84-53,026.62-21,433.58

Finding the Fourth Proportional to 38,426.84, 53,026.62 and 21,433.58

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Solution

The fourth proportional to 38,426.84, 53,026.62 and 21,433.58 is: 29,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426.84 : 53,026.62 = 21,433.58 : x
  2. Step 2: Convert to fraction form
    38,426.84/53,026.62 = 21,433.58/x
  3. Step 3: Cross multiply
    38,426.84x = 53,026.62 × 21,433.58
  4. Step 4: Simplify right side
    38,426.84x = 1,136,550,301.90
  5. Step 5: Solve for x
    x = 1,136,550,301.90/38,426.84
  6. Step 6: Final answer
    x = 29,576.99

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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.