Home / 25,602.08-35,303.95-20,215.58

Finding the Fourth Proportional to 25,602.08, 35,303.95 and 20,215.58

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Solution

The fourth proportional to 25,602.08, 35,303.95 and 20,215.58 is: 27,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.08 : 35,303.95 = 20,215.58 : x
  2. Step 2: Convert to fraction form
    25,602.08/35,303.95 = 20,215.58/x
  3. Step 3: Cross multiply
    25,602.08x = 35,303.95 × 20,215.58
  4. Step 4: Simplify right side
    25,602.08x = 713,689,674.29
  5. Step 5: Solve for x
    x = 713,689,674.29/25,602.08
  6. Step 6: Final answer
    x = 27,876.24

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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.