Home / 35,623.19-53,399.55-16,870.28

Finding the Fourth Proportional to 35,623.19, 53,399.55 and 16,870.28

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Solution

The fourth proportional to 35,623.19, 53,399.55 and 16,870.28 is: 25,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.19 : 53,399.55 = 16,870.28 : x
  2. Step 2: Convert to fraction form
    35,623.19/53,399.55 = 16,870.28/x
  3. Step 3: Cross multiply
    35,623.19x = 53,399.55 × 16,870.28
  4. Step 4: Simplify right side
    35,623.19x = 900,865,156.64
  5. Step 5: Solve for x
    x = 900,865,156.64/35,623.19
  6. Step 6: Final answer
    x = 25,288.73

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1.5x scale

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.