Home / 28,899.10-43,337.85-11,365.30

Finding the Fourth Proportional to 28,899.10, 43,337.85 and 11,365.30

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Solution

The fourth proportional to 28,899.10, 43,337.85 and 11,365.30 is: 17,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.10 : 43,337.85 = 11,365.30 : x
  2. Step 2: Convert to fraction form
    28,899.10/43,337.85 = 11,365.30/x
  3. Step 3: Cross multiply
    28,899.10x = 43,337.85 × 11,365.30
  4. Step 4: Simplify right side
    28,899.10x = 492,547,666.61
  5. Step 5: Solve for x
    x = 492,547,666.61/28,899.10
  6. Step 6: Final answer
    x = 17,043.70

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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.