Home / 52,654.16-72,662.47-28,782.20

Finding the Fourth Proportional to 52,654.16, 72,662.47 and 28,782.20

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Solution

The fourth proportional to 52,654.16, 72,662.47 and 28,782.20 is: 39,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.16 : 72,662.47 = 28,782.20 : x
  2. Step 2: Convert to fraction form
    52,654.16/72,662.47 = 28,782.20/x
  3. Step 3: Cross multiply
    52,654.16x = 72,662.47 × 28,782.20
  4. Step 4: Simplify right side
    52,654.16x = 2,091,385,308.77
  5. Step 5: Solve for x
    x = 2,091,385,308.77/52,654.16
  6. Step 6: Final answer
    x = 39,719.28

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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.