Home / 52,857.83-72,943.74-28,984.91

Finding the Fourth Proportional to 52,857.83, 72,943.74 and 28,984.91

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Solution

The fourth proportional to 52,857.83, 72,943.74 and 28,984.91 is: 39,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.83 : 72,943.74 = 28,984.91 : x
  2. Step 2: Convert to fraction form
    52,857.83/72,943.74 = 28,984.91/x
  3. Step 3: Cross multiply
    52,857.83x = 72,943.74 × 28,984.91
  4. Step 4: Simplify right side
    52,857.83x = 2,114,267,374.24
  5. Step 5: Solve for x
    x = 2,114,267,374.24/52,857.83
  6. Step 6: Final answer
    x = 39,999.13

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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.