Home / 28,421.60-42,632.54-7,360.17

Finding the Fourth Proportional to 28,421.60, 42,632.54 and 7,360.17

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Solution

The fourth proportional to 28,421.60, 42,632.54 and 7,360.17 is: 11,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421.60 : 42,632.54 = 7,360.17 : x
  2. Step 2: Convert to fraction form
    28,421.60/42,632.54 = 7,360.17/x
  3. Step 3: Cross multiply
    28,421.60x = 42,632.54 × 7,360.17
  4. Step 4: Simplify right side
    28,421.60x = 313,782,614.26
  5. Step 5: Solve for x
    x = 313,782,614.26/28,421.60
  6. Step 6: Final answer
    x = 11,040.29

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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.