Home / 25,328.16-34,961.22-15,899.76

Finding the Fourth Proportional to 25,328.16, 34,961.22 and 15,899.76

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Solution

The fourth proportional to 25,328.16, 34,961.22 and 15,899.76 is: 21,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,328.16 : 34,961.22 = 15,899.76 : x
  2. Step 2: Convert to fraction form
    25,328.16/34,961.22 = 15,899.76/x
  3. Step 3: Cross multiply
    25,328.16x = 34,961.22 × 15,899.76
  4. Step 4: Simplify right side
    25,328.16x = 555,875,007.31
  5. Step 5: Solve for x
    x = 555,875,007.31/25,328.16
  6. Step 6: Final answer
    x = 21,946.92

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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.