Home / 25,689.48-38,533.36-10,888.88

Finding the Fourth Proportional to 25,689.48, 38,533.36 and 10,888.88

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Solution

The fourth proportional to 25,689.48, 38,533.36 and 10,888.88 is: 16,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.48 : 38,533.36 = 10,888.88 : x
  2. Step 2: Convert to fraction form
    25,689.48/38,533.36 = 10,888.88/x
  3. Step 3: Cross multiply
    25,689.48x = 38,533.36 × 10,888.88
  4. Step 4: Simplify right side
    25,689.48x = 419,585,133.04
  5. Step 5: Solve for x
    x = 419,585,133.04/25,689.48
  6. Step 6: Final answer
    x = 16,332.96

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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.