Home / 28,571.61-39,425.09-16,637.07

Finding the Fourth Proportional to 28,571.61, 39,425.09 and 16,637.07

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Solution

The fourth proportional to 28,571.61, 39,425.09 and 16,637.07 is: 22,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.61 : 39,425.09 = 16,637.07 : x
  2. Step 2: Convert to fraction form
    28,571.61/39,425.09 = 16,637.07/x
  3. Step 3: Cross multiply
    28,571.61x = 39,425.09 × 16,637.07
  4. Step 4: Simplify right side
    28,571.61x = 655,917,898.90
  5. Step 5: Solve for x
    x = 655,917,898.90/28,571.61
  6. Step 6: Final answer
    x = 22,956.98

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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.