Home / 28,159.79-42,202.32-23,488.95

Finding the Fourth Proportional to 28,159.79, 42,202.32 and 23,488.95

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Solution

The fourth proportional to 28,159.79, 42,202.32 and 23,488.95 is: 35,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.79 : 42,202.32 = 23,488.95 : x
  2. Step 2: Convert to fraction form
    28,159.79/42,202.32 = 23,488.95/x
  3. Step 3: Cross multiply
    28,159.79x = 42,202.32 × 23,488.95
  4. Step 4: Simplify right side
    28,159.79x = 991,288,430.71
  5. Step 5: Solve for x
    x = 991,288,430.71/28,159.79
  6. Step 6: Final answer
    x = 35,202.26

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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.