Home / 28,496.18-42,756.57-15,345.93

Finding the Fourth Proportional to 28,496.18, 42,756.57 and 15,345.93

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Solution

The fourth proportional to 28,496.18, 42,756.57 and 15,345.93 is: 23,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496.18 : 42,756.57 = 15,345.93 : x
  2. Step 2: Convert to fraction form
    28,496.18/42,756.57 = 15,345.93/x
  3. Step 3: Cross multiply
    28,496.18x = 42,756.57 × 15,345.93
  4. Step 4: Simplify right side
    28,496.18x = 656,139,330.26
  5. Step 5: Solve for x
    x = 656,139,330.26/28,496.18
  6. Step 6: Final answer
    x = 23,025.52

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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.