Home / 20,024.40-30,036.60-9,637.20

Finding the Fourth Proportional to 20,024.40, 30,036.60 and 9,637.20

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Solution

The fourth proportional to 20,024.40, 30,036.60 and 9,637.20 is: 14,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.40 : 30,036.60 = 9,637.20 : x
  2. Step 2: Convert to fraction form
    20,024.40/30,036.60 = 9,637.20/x
  3. Step 3: Cross multiply
    20,024.40x = 30,036.60 × 9,637.20
  4. Step 4: Simplify right side
    20,024.40x = 289,468,721.52
  5. Step 5: Solve for x
    x = 289,468,721.52/20,024.40
  6. Step 6: Final answer
    x = 14,455.80

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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.