Home / 25,939.98-38,946.15-13,298.58

Finding the Fourth Proportional to 25,939.98, 38,946.15 and 13,298.58

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Solution

The fourth proportional to 25,939.98, 38,946.15 and 13,298.58 is: 19,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.98 : 38,946.15 = 13,298.58 : x
  2. Step 2: Convert to fraction form
    25,939.98/38,946.15 = 13,298.58/x
  3. Step 3: Cross multiply
    25,939.98x = 38,946.15 × 13,298.58
  4. Step 4: Simplify right side
    25,939.98x = 517,928,491.47
  5. Step 5: Solve for x
    x = 517,928,491.47/25,939.98
  6. Step 6: Final answer
    x = 19,966.42

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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.