Home / 25,478.49-35,148.12-15,264.59

Finding the Fourth Proportional to 25,478.49, 35,148.12 and 15,264.59

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Solution

The fourth proportional to 25,478.49, 35,148.12 and 15,264.59 is: 21,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.49 : 35,148.12 = 15,264.59 : x
  2. Step 2: Convert to fraction form
    25,478.49/35,148.12 = 15,264.59/x
  3. Step 3: Cross multiply
    25,478.49x = 35,148.12 × 15,264.59
  4. Step 4: Simplify right side
    25,478.49x = 536,521,465.33
  5. Step 5: Solve for x
    x = 536,521,465.33/25,478.49
  6. Step 6: Final answer
    x = 21,057.82

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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.