Home / 39,809.16-59,724-28,577.52

Finding the Fourth Proportional to 39,809.16, 59,724 and 28,577.52

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Solution

The fourth proportional to 39,809.16, 59,724 and 28,577.52 is: 42,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.16 : 59,724 = 28,577.52 : x
  2. Step 2: Convert to fraction form
    39,809.16/59,724 = 28,577.52/x
  3. Step 3: Cross multiply
    39,809.16x = 59,724 × 28,577.52
  4. Step 4: Simplify right side
    39,809.16x = 1,706,763,804.48
  5. Step 5: Solve for x
    x = 1,706,763,804.48/39,809.16
  6. Step 6: Final answer
    x = 42,873.65

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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.