Home / 28,305.02-42,459.70-7,527.98

Finding the Fourth Proportional to 28,305.02, 42,459.70 and 7,527.98

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Solution

The fourth proportional to 28,305.02, 42,459.70 and 7,527.98 is: 11,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.02 : 42,459.70 = 7,527.98 : x
  2. Step 2: Convert to fraction form
    28,305.02/42,459.70 = 7,527.98/x
  3. Step 3: Cross multiply
    28,305.02x = 42,459.70 × 7,527.98
  4. Step 4: Simplify right side
    28,305.02x = 319,635,772.41
  5. Step 5: Solve for x
    x = 319,635,772.41/28,305.02
  6. Step 6: Final answer
    x = 11,292.55

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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.