Home / 25,828.74-38,681.58-17,939.13

Finding the Fourth Proportional to 25,828.74, 38,681.58 and 17,939.13

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Solution

The fourth proportional to 25,828.74, 38,681.58 and 17,939.13 is: 26,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.74 : 38,681.58 = 17,939.13 : x
  2. Step 2: Convert to fraction form
    25,828.74/38,681.58 = 17,939.13/x
  3. Step 3: Cross multiply
    25,828.74x = 38,681.58 × 17,939.13
  4. Step 4: Simplify right side
    25,828.74x = 693,913,892.23
  5. Step 5: Solve for x
    x = 693,913,892.23/25,828.74
  6. Step 6: Final answer
    x = 26,865.96

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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.