Home / 28,298.08-42,419.44-15,824.16

Finding the Fourth Proportional to 28,298.08, 42,419.44 and 15,824.16

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Solution

The fourth proportional to 28,298.08, 42,419.44 and 15,824.16 is: 23,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.08 : 42,419.44 = 15,824.16 : x
  2. Step 2: Convert to fraction form
    28,298.08/42,419.44 = 15,824.16/x
  3. Step 3: Cross multiply
    28,298.08x = 42,419.44 × 15,824.16
  4. Step 4: Simplify right side
    28,298.08x = 671,252,005.67
  5. Step 5: Solve for x
    x = 671,252,005.67/28,298.08
  6. Step 6: Final answer
    x = 23,720.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.