Home / 28,259.34-38,998.05-17,655.12

Finding the Fourth Proportional to 28,259.34, 38,998.05 and 17,655.12

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Solution

The fourth proportional to 28,259.34, 38,998.05 and 17,655.12 is: 24,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.34 : 38,998.05 = 17,655.12 : x
  2. Step 2: Convert to fraction form
    28,259.34/38,998.05 = 17,655.12/x
  3. Step 3: Cross multiply
    28,259.34x = 38,998.05 × 17,655.12
  4. Step 4: Simplify right side
    28,259.34x = 688,515,252.52
  5. Step 5: Solve for x
    x = 688,515,252.52/28,259.34
  6. Step 6: Final answer
    x = 24,364.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.