Home / 25,851.04-35,677.05-15,785.37

Finding the Fourth Proportional to 25,851.04, 35,677.05 and 15,785.37

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Solution

The fourth proportional to 25,851.04, 35,677.05 and 15,785.37 is: 21,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.04 : 35,677.05 = 15,785.37 : x
  2. Step 2: Convert to fraction form
    25,851.04/35,677.05 = 15,785.37/x
  3. Step 3: Cross multiply
    25,851.04x = 35,677.05 × 15,785.37
  4. Step 4: Simplify right side
    25,851.04x = 563,175,434.76
  5. Step 5: Solve for x
    x = 563,175,434.76/25,851.04
  6. Step 6: Final answer
    x = 21,785.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.