Home / 28,044.96-38,702.29-15,298.20

Finding the Fourth Proportional to 28,044.96, 38,702.29 and 15,298.20

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Solution

The fourth proportional to 28,044.96, 38,702.29 and 15,298.20 is: 21,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.96 : 38,702.29 = 15,298.20 : x
  2. Step 2: Convert to fraction form
    28,044.96/38,702.29 = 15,298.20/x
  3. Step 3: Cross multiply
    28,044.96x = 38,702.29 × 15,298.20
  4. Step 4: Simplify right side
    28,044.96x = 592,075,167.77
  5. Step 5: Solve for x
    x = 592,075,167.77/28,044.96
  6. Step 6: Final answer
    x = 21,111.64

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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.