Home / 25,133.20-34,700.10-15,583.27

Finding the Fourth Proportional to 25,133.20, 34,700.10 and 15,583.27

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Solution

The fourth proportional to 25,133.20, 34,700.10 and 15,583.27 is: 21,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.20 : 34,700.10 = 15,583.27 : x
  2. Step 2: Convert to fraction form
    25,133.20/34,700.10 = 15,583.27/x
  3. Step 3: Cross multiply
    25,133.20x = 34,700.10 × 15,583.27
  4. Step 4: Simplify right side
    25,133.20x = 540,740,947.20
  5. Step 5: Solve for x
    x = 540,740,947.20/25,133.20
  6. Step 6: Final answer
    x = 21,515.00

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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.