Home / 52,798.21-72,861.54-28,925.74

Finding the Fourth Proportional to 52,798.21, 72,861.54 and 28,925.74

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Solution

The fourth proportional to 52,798.21, 72,861.54 and 28,925.74 is: 39,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,798.21 : 72,861.54 = 28,925.74 : x
  2. Step 2: Convert to fraction form
    52,798.21/72,861.54 = 28,925.74/x
  3. Step 3: Cross multiply
    52,798.21x = 72,861.54 × 28,925.74
  4. Step 4: Simplify right side
    52,798.21x = 2,107,573,962.04
  5. Step 5: Solve for x
    x = 2,107,573,962.04/52,798.21
  6. Step 6: Final answer
    x = 39,917.53

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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.