Home / 28,269.02-42,403.77-7,492.52

Finding the Fourth Proportional to 28,269.02, 42,403.77 and 7,492.52

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Solution

The fourth proportional to 28,269.02, 42,403.77 and 7,492.52 is: 11,238.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.02 : 42,403.77 = 7,492.52 : x
  2. Step 2: Convert to fraction form
    28,269.02/42,403.77 = 7,492.52/x
  3. Step 3: Cross multiply
    28,269.02x = 42,403.77 × 7,492.52
  4. Step 4: Simplify right side
    28,269.02x = 317,711,094.80
  5. Step 5: Solve for x
    x = 317,711,094.80/28,269.02
  6. Step 6: Final answer
    x = 11,238.84

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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.