Home / 52,428.40-72,351.80-28,555.27

Finding the Fourth Proportional to 52,428.40, 72,351.80 and 28,555.27

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Solution

The fourth proportional to 52,428.40, 72,351.80 and 28,555.27 is: 39,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.40 : 72,351.80 = 28,555.27 : x
  2. Step 2: Convert to fraction form
    52,428.40/72,351.80 = 28,555.27/x
  3. Step 3: Cross multiply
    52,428.40x = 72,351.80 × 28,555.27
  4. Step 4: Simplify right side
    52,428.40x = 2,066,024,967.41
  5. Step 5: Solve for x
    x = 2,066,024,967.41/52,428.40
  6. Step 6: Final answer
    x = 39,406.60

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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.