Home / 52,792.24-72,853.52-28,918.40

Finding the Fourth Proportional to 52,792.24, 72,853.52 and 28,918.40

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Solution

The fourth proportional to 52,792.24, 72,853.52 and 28,918.40 is: 39,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,792.24 : 72,853.52 = 28,918.40 : x
  2. Step 2: Convert to fraction form
    52,792.24/72,853.52 = 28,918.40/x
  3. Step 3: Cross multiply
    52,792.24x = 72,853.52 × 28,918.40
  4. Step 4: Simplify right side
    52,792.24x = 2,106,807,232.77
  5. Step 5: Solve for x
    x = 2,106,807,232.77/52,792.24
  6. Step 6: Final answer
    x = 39,907.52

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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.