Home / 47,023.28-64,887.40-28,159.92

Finding the Fourth Proportional to 47,023.28, 64,887.40 and 28,159.92

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Solution

The fourth proportional to 47,023.28, 64,887.40 and 28,159.92 is: 38,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023.28 : 64,887.40 = 28,159.92 : x
  2. Step 2: Convert to fraction form
    47,023.28/64,887.40 = 28,159.92/x
  3. Step 3: Cross multiply
    47,023.28x = 64,887.40 × 28,159.92
  4. Step 4: Simplify right side
    47,023.28x = 1,827,223,993.01
  5. Step 5: Solve for x
    x = 1,827,223,993.01/47,023.28
  6. Step 6: Final answer
    x = 38,857.86

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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.