Home / 28,488.04-42,705.18-10,009.96

Finding the Fourth Proportional to 28,488.04, 42,705.18 and 10,009.96

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Solution

The fourth proportional to 28,488.04, 42,705.18 and 10,009.96 is: 15,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.04 : 42,705.18 = 10,009.96 : x
  2. Step 2: Convert to fraction form
    28,488.04/42,705.18 = 10,009.96/x
  3. Step 3: Cross multiply
    28,488.04x = 42,705.18 × 10,009.96
  4. Step 4: Simplify right side
    28,488.04x = 427,477,143.59
  5. Step 5: Solve for x
    x = 427,477,143.59/28,488.04
  6. Step 6: Final answer
    x = 15,005.50

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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.