Home / 25,681.65-38,521.67-15,223.34

Finding the Fourth Proportional to 25,681.65, 38,521.67 and 15,223.34

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Solution

The fourth proportional to 25,681.65, 38,521.67 and 15,223.34 is: 22,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.65 : 38,521.67 = 15,223.34 : x
  2. Step 2: Convert to fraction form
    25,681.65/38,521.67 = 15,223.34/x
  3. Step 3: Cross multiply
    25,681.65x = 38,521.67 × 15,223.34
  4. Step 4: Simplify right side
    25,681.65x = 586,428,211.05
  5. Step 5: Solve for x
    x = 586,428,211.05/25,681.65
  6. Step 6: Final answer
    x = 22,834.52

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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.