Home / 28,501.60-42,752.40-10,033.60

Finding the Fourth Proportional to 28,501.60, 42,752.40 and 10,033.60

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Solution

The fourth proportional to 28,501.60, 42,752.40 and 10,033.60 is: 15,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.60 : 42,752.40 = 10,033.60 : x
  2. Step 2: Convert to fraction form
    28,501.60/42,752.40 = 10,033.60/x
  3. Step 3: Cross multiply
    28,501.60x = 42,752.40 × 10,033.60
  4. Step 4: Simplify right side
    28,501.60x = 428,960,480.64
  5. Step 5: Solve for x
    x = 428,960,480.64/28,501.60
  6. Step 6: Final answer
    x = 15,050.40

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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.