Home / 42,922.60-59,207.02-28,386.76

Finding the Fourth Proportional to 42,922.60, 59,207.02 and 28,386.76

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Solution

The fourth proportional to 42,922.60, 59,207.02 and 28,386.76 is: 39,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,922.60 : 59,207.02 = 28,386.76 : x
  2. Step 2: Convert to fraction form
    42,922.60/59,207.02 = 28,386.76/x
  3. Step 3: Cross multiply
    42,922.60x = 59,207.02 × 28,386.76
  4. Step 4: Simplify right side
    42,922.60x = 1,680,695,467.06
  5. Step 5: Solve for x
    x = 1,680,695,467.06/42,922.60
  6. Step 6: Final answer
    x = 39,156.42

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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.