Home / 28,875.60-43,313.40-17,746.20

Finding the Fourth Proportional to 28,875.60, 43,313.40 and 17,746.20

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Solution

The fourth proportional to 28,875.60, 43,313.40 and 17,746.20 is: 26,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.60 : 43,313.40 = 17,746.20 : x
  2. Step 2: Convert to fraction form
    28,875.60/43,313.40 = 17,746.20/x
  3. Step 3: Cross multiply
    28,875.60x = 43,313.40 × 17,746.20
  4. Step 4: Simplify right side
    28,875.60x = 768,648,259.08
  5. Step 5: Solve for x
    x = 768,648,259.08/28,875.60
  6. Step 6: Final answer
    x = 26,619.30

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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.