Home / 38,590.10-57,886.17-10,510.40

Finding the Fourth Proportional to 38,590.10, 57,886.17 and 10,510.40

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Solution

The fourth proportional to 38,590.10, 57,886.17 and 10,510.40 is: 15,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.10 : 57,886.17 = 10,510.40 : x
  2. Step 2: Convert to fraction form
    38,590.10/57,886.17 = 10,510.40/x
  3. Step 3: Cross multiply
    38,590.10x = 57,886.17 × 10,510.40
  4. Step 4: Simplify right side
    38,590.10x = 608,406,459.19
  5. Step 5: Solve for x
    x = 608,406,459.19/38,590.10
  6. Step 6: Final answer
    x = 15,765.87

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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.