Home / 25,931.11-35,784.39-15,859.66

Finding the Fourth Proportional to 25,931.11, 35,784.39 and 15,859.66

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Solution

The fourth proportional to 25,931.11, 35,784.39 and 15,859.66 is: 21,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.11 : 35,784.39 = 15,859.66 : x
  2. Step 2: Convert to fraction form
    25,931.11/35,784.39 = 15,859.66/x
  3. Step 3: Cross multiply
    25,931.11x = 35,784.39 × 15,859.66
  4. Step 4: Simplify right side
    25,931.11x = 567,528,258.71
  5. Step 5: Solve for x
    x = 567,528,258.71/25,931.11
  6. Step 6: Final answer
    x = 21,886.00

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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.