Home / 25,969.24-38,931.90-10,397.80

Finding the Fourth Proportional to 25,969.24, 38,931.90 and 10,397.80

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Solution

The fourth proportional to 25,969.24, 38,931.90 and 10,397.80 is: 15,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.24 : 38,931.90 = 10,397.80 : x
  2. Step 2: Convert to fraction form
    25,969.24/38,931.90 = 10,397.80/x
  3. Step 3: Cross multiply
    25,969.24x = 38,931.90 × 10,397.80
  4. Step 4: Simplify right side
    25,969.24x = 404,806,109.82
  5. Step 5: Solve for x
    x = 404,806,109.82/25,969.24
  6. Step 6: Final answer
    x = 15,587.91

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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.