Home / 35,526.72-53,311.20-15,806.40

Finding the Fourth Proportional to 35,526.72, 53,311.20 and 15,806.40

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Solution

The fourth proportional to 35,526.72, 53,311.20 and 15,806.40 is: 23,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,526.72 : 53,311.20 = 15,806.40 : x
  2. Step 2: Convert to fraction form
    35,526.72/53,311.20 = 15,806.40/x
  3. Step 3: Cross multiply
    35,526.72x = 53,311.20 × 15,806.40
  4. Step 4: Simplify right side
    35,526.72x = 842,658,151.68
  5. Step 5: Solve for x
    x = 842,658,151.68/35,526.72
  6. Step 6: Final answer
    x = 23,719.00

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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.