Home / 28,597.60-42,876.40-16,904.80

Finding the Fourth Proportional to 28,597.60, 42,876.40 and 16,904.80

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Solution

The fourth proportional to 28,597.60, 42,876.40 and 16,904.80 is: 25,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.60 : 42,876.40 = 16,904.80 : x
  2. Step 2: Convert to fraction form
    28,597.60/42,876.40 = 16,904.80/x
  3. Step 3: Cross multiply
    28,597.60x = 42,876.40 × 16,904.80
  4. Step 4: Simplify right side
    28,597.60x = 724,816,966.72
  5. Step 5: Solve for x
    x = 724,816,966.72/28,597.60
  6. Step 6: Final answer
    x = 25,345.38

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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.