Home / 25,963.81-38,957.90-13,477.05

Finding the Fourth Proportional to 25,963.81, 38,957.90 and 13,477.05

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Solution

The fourth proportional to 25,963.81, 38,957.90 and 13,477.05 is: 20,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.81 : 38,957.90 = 13,477.05 : x
  2. Step 2: Convert to fraction form
    25,963.81/38,957.90 = 13,477.05/x
  3. Step 3: Cross multiply
    25,963.81x = 38,957.90 × 13,477.05
  4. Step 4: Simplify right side
    25,963.81x = 525,037,498.81
  5. Step 5: Solve for x
    x = 525,037,498.81/25,963.81
  6. Step 6: Final answer
    x = 20,221.90

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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.