Home / 28,271.40-42,407.10-16,597.80

Finding the Fourth Proportional to 28,271.40, 42,407.10 and 16,597.80

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Solution

The fourth proportional to 28,271.40, 42,407.10 and 16,597.80 is: 24,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.40 : 42,407.10 = 16,597.80 : x
  2. Step 2: Convert to fraction form
    28,271.40/42,407.10 = 16,597.80/x
  3. Step 3: Cross multiply
    28,271.40x = 42,407.10 × 16,597.80
  4. Step 4: Simplify right side
    28,271.40x = 703,864,564.38
  5. Step 5: Solve for x
    x = 703,864,564.38/28,271.40
  6. Step 6: Final answer
    x = 24,896.70

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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.