Home / 15,526.80-23,288.40-4,435.20

Finding the Fourth Proportional to 15,526.80, 23,288.40 and 4,435.20

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Solution

The fourth proportional to 15,526.80, 23,288.40 and 4,435.20 is: 6,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.80 : 23,288.40 = 4,435.20 : x
  2. Step 2: Convert to fraction form
    15,526.80/23,288.40 = 4,435.20/x
  3. Step 3: Cross multiply
    15,526.80x = 23,288.40 × 4,435.20
  4. Step 4: Simplify right side
    15,526.80x = 103,288,711.68
  5. Step 5: Solve for x
    x = 103,288,711.68/15,526.80
  6. Step 6: Final answer
    x = 6,652.29

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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.