Home / 25,320.64-34,896.08-16,807.72

Finding the Fourth Proportional to 25,320.64, 34,896.08 and 16,807.72

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Solution

The fourth proportional to 25,320.64, 34,896.08 and 16,807.72 is: 23,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.64 : 34,896.08 = 16,807.72 : x
  2. Step 2: Convert to fraction form
    25,320.64/34,896.08 = 16,807.72/x
  3. Step 3: Cross multiply
    25,320.64x = 34,896.08 × 16,807.72
  4. Step 4: Simplify right side
    25,320.64x = 586,523,541.74
  5. Step 5: Solve for x
    x = 586,523,541.74/25,320.64
  6. Step 6: Final answer
    x = 23,163.85

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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.