Home / 20,444.40-30,630.15-17,528.40

Finding the Fourth Proportional to 20,444.40, 30,630.15 and 17,528.40

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Solution

The fourth proportional to 20,444.40, 30,630.15 and 17,528.40 is: 26,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.40 : 30,630.15 = 17,528.40 : x
  2. Step 2: Convert to fraction form
    20,444.40/30,630.15 = 17,528.40/x
  3. Step 3: Cross multiply
    20,444.40x = 30,630.15 × 17,528.40
  4. Step 4: Simplify right side
    20,444.40x = 536,897,521.26
  5. Step 5: Solve for x
    x = 536,897,521.26/20,444.40
  6. Step 6: Final answer
    x = 26,261.35

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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.