Home / 43,038.08-59,412-28,898.72

Finding the Fourth Proportional to 43,038.08, 59,412 and 28,898.72

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Solution

The fourth proportional to 43,038.08, 59,412 and 28,898.72 is: 39,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.08 : 59,412 = 28,898.72 : x
  2. Step 2: Convert to fraction form
    43,038.08/59,412 = 28,898.72/x
  3. Step 3: Cross multiply
    43,038.08x = 59,412 × 28,898.72
  4. Step 4: Simplify right side
    43,038.08x = 1,716,930,752.64
  5. Step 5: Solve for x
    x = 1,716,930,752.64/43,038.08
  6. Step 6: Final answer
    x = 39,893.29

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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.