Home / 52,517.28-72,471.56-28,644.08

Finding the Fourth Proportional to 52,517.28, 72,471.56 and 28,644.08

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Solution

The fourth proportional to 52,517.28, 72,471.56 and 28,644.08 is: 39,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517.28 : 72,471.56 = 28,644.08 : x
  2. Step 2: Convert to fraction form
    52,517.28/72,471.56 = 28,644.08/x
  3. Step 3: Cross multiply
    52,517.28x = 72,471.56 × 28,644.08
  4. Step 4: Simplify right side
    52,517.28x = 2,075,881,162.36
  5. Step 5: Solve for x
    x = 2,075,881,162.36/52,517.28
  6. Step 6: Final answer
    x = 39,527.58

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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.