Home / 25,357.38-38,036.07-19,802.40

Finding the Fourth Proportional to 25,357.38, 38,036.07 and 19,802.40

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Solution

The fourth proportional to 25,357.38, 38,036.07 and 19,802.40 is: 29,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.38 : 38,036.07 = 19,802.40 : x
  2. Step 2: Convert to fraction form
    25,357.38/38,036.07 = 19,802.40/x
  3. Step 3: Cross multiply
    25,357.38x = 38,036.07 × 19,802.40
  4. Step 4: Simplify right side
    25,357.38x = 753,205,472.57
  5. Step 5: Solve for x
    x = 753,205,472.57/25,357.38
  6. Step 6: Final answer
    x = 29,703.60

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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.