Home / 28,507.57-39,354.47-17,903.05

Finding the Fourth Proportional to 28,507.57, 39,354.47 and 17,903.05

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Solution

The fourth proportional to 28,507.57, 39,354.47 and 17,903.05 is: 24,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.57 : 39,354.47 = 17,903.05 : x
  2. Step 2: Convert to fraction form
    28,507.57/39,354.47 = 17,903.05/x
  3. Step 3: Cross multiply
    28,507.57x = 39,354.47 × 17,903.05
  4. Step 4: Simplify right side
    28,507.57x = 704,565,044.13
  5. Step 5: Solve for x
    x = 704,565,044.13/28,507.57
  6. Step 6: Final answer
    x = 24,715.02

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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.