Home / 25,947.78-35,807.08-16,392.75

Finding the Fourth Proportional to 25,947.78, 35,807.08 and 16,392.75

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Solution

The fourth proportional to 25,947.78, 35,807.08 and 16,392.75 is: 22,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.78 : 35,807.08 = 16,392.75 : x
  2. Step 2: Convert to fraction form
    25,947.78/35,807.08 = 16,392.75/x
  3. Step 3: Cross multiply
    25,947.78x = 35,807.08 × 16,392.75
  4. Step 4: Simplify right side
    25,947.78x = 586,976,510.67
  5. Step 5: Solve for x
    x = 586,976,510.67/25,947.78
  6. Step 6: Final answer
    x = 22,621.46

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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.