Home / 15,528.30-21,442.37-15,026.18

Finding the Fourth Proportional to 15,528.30, 21,442.37 and 15,026.18

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Solution

The fourth proportional to 15,528.30, 21,442.37 and 15,026.18 is: 20,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.30 : 21,442.37 = 15,026.18 : x
  2. Step 2: Convert to fraction form
    15,528.30/21,442.37 = 15,026.18/x
  3. Step 3: Cross multiply
    15,528.30x = 21,442.37 × 15,026.18
  4. Step 4: Simplify right side
    15,528.30x = 322,196,728.90
  5. Step 5: Solve for x
    x = 322,196,728.90/15,528.30
  6. Step 6: Final answer
    x = 20,749.01

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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.