Home / 53,265.30-79,870.05-15,820.26

Finding the Fourth Proportional to 53,265.30, 79,870.05 and 15,820.26

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Solution

The fourth proportional to 53,265.30, 79,870.05 and 15,820.26 is: 23,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265.30 : 79,870.05 = 15,820.26 : x
  2. Step 2: Convert to fraction form
    53,265.30/79,870.05 = 15,820.26/x
  3. Step 3: Cross multiply
    53,265.30x = 79,870.05 × 15,820.26
  4. Step 4: Simplify right side
    53,265.30x = 1,263,564,957.21
  5. Step 5: Solve for x
    x = 1,263,564,957.21/53,265.30
  6. Step 6: Final answer
    x = 23,722.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.