Home / 25,400.25-35,053.59-15,328.52

Finding the Fourth Proportional to 25,400.25, 35,053.59 and 15,328.52

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Solution

The fourth proportional to 25,400.25, 35,053.59 and 15,328.52 is: 21,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.25 : 35,053.59 = 15,328.52 : x
  2. Step 2: Convert to fraction form
    25,400.25/35,053.59 = 15,328.52/x
  3. Step 3: Cross multiply
    25,400.25x = 35,053.59 × 15,328.52
  4. Step 4: Simplify right side
    25,400.25x = 537,319,480.12
  5. Step 5: Solve for x
    x = 537,319,480.12/25,400.25
  6. Step 6: Final answer
    x = 21,154.10

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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.