Home / 28,303.61-42,455.36-7,527.11

Finding the Fourth Proportional to 28,303.61, 42,455.36 and 7,527.11

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Solution

The fourth proportional to 28,303.61, 42,455.36 and 7,527.11 is: 11,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.61 : 42,455.36 = 7,527.11 : x
  2. Step 2: Convert to fraction form
    28,303.61/42,455.36 = 7,527.11/x
  3. Step 3: Cross multiply
    28,303.61x = 42,455.36 × 7,527.11
  4. Step 4: Simplify right side
    28,303.61x = 319,565,914.90
  5. Step 5: Solve for x
    x = 319,565,914.90/28,303.61
  6. Step 6: Final answer
    x = 11,290.64

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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.