Home / 52,621.26-72,616.19-28,748.06

Finding the Fourth Proportional to 52,621.26, 72,616.19 and 28,748.06

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Solution

The fourth proportional to 52,621.26, 72,616.19 and 28,748.06 is: 39,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,621.26 : 72,616.19 = 28,748.06 : x
  2. Step 2: Convert to fraction form
    52,621.26/72,616.19 = 28,748.06/x
  3. Step 3: Cross multiply
    52,621.26x = 72,616.19 × 28,748.06
  4. Step 4: Simplify right side
    52,621.26x = 2,087,574,587.09
  5. Step 5: Solve for x
    x = 2,087,574,587.09/52,621.26
  6. Step 6: Final answer
    x = 39,671.70

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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.