Home / 28,011.41-38,659.64-16,079.50

Finding the Fourth Proportional to 28,011.41, 38,659.64 and 16,079.50

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Solution

The fourth proportional to 28,011.41, 38,659.64 and 16,079.50 is: 22,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.41 : 38,659.64 = 16,079.50 : x
  2. Step 2: Convert to fraction form
    28,011.41/38,659.64 = 16,079.50/x
  3. Step 3: Cross multiply
    28,011.41x = 38,659.64 × 16,079.50
  4. Step 4: Simplify right side
    28,011.41x = 621,627,681.38
  5. Step 5: Solve for x
    x = 621,627,681.38/28,011.41
  6. Step 6: Final answer
    x = 22,191.95

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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.