Home / 52,515.12-72,470.88-28,641.84

Finding the Fourth Proportional to 52,515.12, 72,470.88 and 28,641.84

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Solution

The fourth proportional to 52,515.12, 72,470.88 and 28,641.84 is: 39,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.12 : 72,470.88 = 28,641.84 : x
  2. Step 2: Convert to fraction form
    52,515.12/72,470.88 = 28,641.84/x
  3. Step 3: Cross multiply
    52,515.12x = 72,470.88 × 28,641.84
  4. Step 4: Simplify right side
    52,515.12x = 2,075,699,349.62
  5. Step 5: Solve for x
    x = 2,075,699,349.62/52,515.12
  6. Step 6: Final answer
    x = 39,525.75

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1.5x scale

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.