Home / 28,359.02-42,538.54-7,582.52

Finding the Fourth Proportional to 28,359.02, 42,538.54 and 7,582.52

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Solution

The fourth proportional to 28,359.02, 42,538.54 and 7,582.52 is: 11,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.02 : 42,538.54 = 7,582.52 : x
  2. Step 2: Convert to fraction form
    28,359.02/42,538.54 = 7,582.52/x
  3. Step 3: Cross multiply
    28,359.02x = 42,538.54 × 7,582.52
  4. Step 4: Simplify right side
    28,359.02x = 322,549,330.32
  5. Step 5: Solve for x
    x = 322,549,330.32/28,359.02
  6. Step 6: Final answer
    x = 11,373.78

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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.