Home / 28,701.81-39,606.98-16,125.75

Finding the Fourth Proportional to 28,701.81, 39,606.98 and 16,125.75

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Solution

The fourth proportional to 28,701.81, 39,606.98 and 16,125.75 is: 22,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.81 : 39,606.98 = 16,125.75 : x
  2. Step 2: Convert to fraction form
    28,701.81/39,606.98 = 16,125.75/x
  3. Step 3: Cross multiply
    28,701.81x = 39,606.98 × 16,125.75
  4. Step 4: Simplify right side
    28,701.81x = 638,692,177.11
  5. Step 5: Solve for x
    x = 638,692,177.11/28,701.81
  6. Step 6: Final answer
    x = 22,252.68

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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.