Home / 52,515.64-72,470.80-28,642.31

Finding the Fourth Proportional to 52,515.64, 72,470.80 and 28,642.31

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Solution

The fourth proportional to 52,515.64, 72,470.80 and 28,642.31 is: 39,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.64 : 72,470.80 = 28,642.31 : x
  2. Step 2: Convert to fraction form
    52,515.64/72,470.80 = 28,642.31/x
  3. Step 3: Cross multiply
    52,515.64x = 72,470.80 × 28,642.31
  4. Step 4: Simplify right side
    52,515.64x = 2,075,731,064.76
  5. Step 5: Solve for x
    x = 2,075,731,064.76/52,515.64
  6. Step 6: Final answer
    x = 39,525.96

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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.