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Finding the Fourth Proportional to 47,655.04, 65,762.40 and 28,788.88

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Solution

The fourth proportional to 47,655.04, 65,762.40 and 28,788.88 is: 39,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,655.04 : 65,762.40 = 28,788.88 : x
  2. Step 2: Convert to fraction form
    47,655.04/65,762.40 = 28,788.88/x
  3. Step 3: Cross multiply
    47,655.04x = 65,762.40 × 28,788.88
  4. Step 4: Simplify right side
    47,655.04x = 1,893,225,842.11
  5. Step 5: Solve for x
    x = 1,893,225,842.11/47,655.04
  6. Step 6: Final answer
    x = 39,727.71

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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.