Home / 28,276.60-39,019.02-16,338.34

Finding the Fourth Proportional to 28,276.60, 39,019.02 and 16,338.34

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Solution

The fourth proportional to 28,276.60, 39,019.02 and 16,338.34 is: 22,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.60 : 39,019.02 = 16,338.34 : x
  2. Step 2: Convert to fraction form
    28,276.60/39,019.02 = 16,338.34/x
  3. Step 3: Cross multiply
    28,276.60x = 39,019.02 × 16,338.34
  4. Step 4: Simplify right side
    28,276.60x = 637,506,015.23
  5. Step 5: Solve for x
    x = 637,506,015.23/28,276.60
  6. Step 6: Final answer
    x = 22,545.36

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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.