Home / 52,432.66-72,356.70-28,559.26

Finding the Fourth Proportional to 52,432.66, 72,356.70 and 28,559.26

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Solution

The fourth proportional to 52,432.66, 72,356.70 and 28,559.26 is: 39,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.66 : 72,356.70 = 28,559.26 : x
  2. Step 2: Convert to fraction form
    52,432.66/72,356.70 = 28,559.26/x
  3. Step 3: Cross multiply
    52,432.66x = 72,356.70 × 28,559.26
  4. Step 4: Simplify right side
    52,432.66x = 2,066,453,808.04
  5. Step 5: Solve for x
    x = 2,066,453,808.04/52,432.66
  6. Step 6: Final answer
    x = 39,411.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.