Home / 19,276.04-28,915.98-8,890.76

Finding the Fourth Proportional to 19,276.04, 28,915.98 and 8,890.76

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Solution

The fourth proportional to 19,276.04, 28,915.98 and 8,890.76 is: 13,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.04 : 28,915.98 = 8,890.76 : x
  2. Step 2: Convert to fraction form
    19,276.04/28,915.98 = 8,890.76/x
  3. Step 3: Cross multiply
    19,276.04x = 28,915.98 × 8,890.76
  4. Step 4: Simplify right side
    19,276.04x = 257,085,038.34
  5. Step 5: Solve for x
    x = 257,085,038.34/19,276.04
  6. Step 6: Final answer
    x = 13,337.03

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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.